49 Engineering Chemical Expert Witnesses Found

Results Sorted Below by State

Daniel . Gottuk, PhD Gottuk Engineering

Alabama
Fire, Engineering - Fire Protection Engineering, Arson, Smoke Detection, Fire Alarm, Fire detection, Smoke and CO alarms, Forensic engineering, Fire spread analysis, Fire recreation, Origin and cause investigation, Consumer products, Failure Analysis, Modeling
...Dan Gottuk is the President of Gottuk Engineering after a 30 year career with Jensen Hughes, with which he still maintains a relationship with a team of over 100 experts providing expert witness and failure analysis services for a range of specialties associated with fires and explosions, mechanical, electrical, construction, codes and standards, materials, chemical, metallurgical, process safety and concrete. Other specific service areas include: Arson Investigation, Origin & Cause Investigations; Fire Spread Analysis; Fire Modeling; Fire Testing; Sprinkler Systems; Inadvertent Discharge; Corrosion; Fire Alarm Systems; Smoke Alarms; Carbon Monoxide; Kitchen Hood Suppression; Battery Fires (including Lithium and Lithium Ion); Building Insulation Fires; Spray-Applied Fire-Resistive Materials (SFRM); Structural Fire Protection; Combustible Dust Hazards; Dust Explosions; Laboratory & Evidence Examination. Dr....

Cristy M Schade, MD, PhD, PE Advanced Pain Solutions

Alabama
Pain Management - Medicine, Disability Evaluation - CRPS, complex regional pain syndrome, RSD, reflex sympathetic dystrophy, implanted drug pumps for pain, ESI, epidural steroids, nerve pain, chronic pain, sciatic leg pain, opioid abuse, opioid addiction, illegally manufactured fentanyl deaths, failed back surgery syndrome, IME, Future Medical Needs
...With his dual training as both a physician and an engineer, Dr. Schade is a sought-after expert witness in medical-legal matters on the national stage, where he combines unique expertise with the overlap of medicine, bioengineering, and medical artificial intelligence (AI). He is a seasoned medical and legal expert and has been involved in over 100 cases for plaintiffs (60%) and the defense (40%). He has qualified as an expert witness in both state and federal court. He has authored over 100 expert reports and testified under oath at depositions and trials nationwide. Dr....

Al Rose, P.E. Arizona Forensic Engineering Investigations, PLC

Tucson, Arizona
Plumbing, Failure Analysis - Chemical Pipe Expert, Petroleum Pipe Expert, Pipe Failure Expert, Pipe Expert, Piping Expert, Pipe Explosion Expert, Pipeline Failure, Pipe Failure Analysis, Pipe Explosion, Pipeline Failures, Industrial Pipe Expert, Industrial Piping, Oil Piping, Natural Gas Piping, Petroleum Piping, B31.3
*500+ forensic engineering cases, $500 Million+ in cases involving nearly every kind of pipe and tubing found in residential, commercial, and industrial applications *Designed piping in every state in the U.S for over 500 large chemical, petroleum, and wastewater plants *35 years experience in design and failure analysis of pipes *Pipe Explosion Specialist * Customers include Dupont Chemical, Dow Chemical, 3M, BASF, Chevron, Exxon, Shell, Texaco, Amoco, Suncor Oil Sands and Central Arizona Project *Member, ASTM committees on standards development for Stainless and Alloy Tubular Products, Copper and Copper Alloys Pipe and Tube, and Plastic Piping Systems *Lectured at universities and provided continuing education, possessing the ability to explain complex matters in simple terms to students, juries and arbitrators *ASME Certified provider of continuing education in Material Science *Performed thousands of computer simulations and stress analyses including wind and seismic analysis of pipelines...

James F. Davidson, CPA, CFE, CFF, CGMA, CM&AA, CM&AP, CIRA, CTP, CBA Avant Advisory Group

Newport Beach, California
Accounting, Business Operations - Financial, operational turnarounds, restructurings, mergers, acquisitions, CEO, CFO, CRO, governance, forensic, fraud, corporate investigations, certified, turnaround, insolvency, restructuring, CPA, chartered global management accountant, credentialed, fraud examiner, board, best practices
...Consumer products, services; franchising; retail, wholesale distribution; food processing, packaging; restaurants; agribusiness; real estate; engineering, construction; industrial manufacturing, assembly; trucking, transportation; aerospace, defense; waste management; energy – oil & gas, shale, mining; chemicals; fertilizers; lending; dealerships, service, repair; education; telecom, media, technology....

Jeffrey T Gotro, PhD InnoCentrix, LLC

Rancho Santa Margarita, California
Chemistry & Chemicals, Intellectual Property - Patent Infringement, Inter Partes Review, Polymers & Plastics, Composites, Adhesives and Coatings, , Rheology And Flow, Polymers Used In Electronic Applications, Polymer Materials Selection, Polymer Product Liability, Thermoset Polymers, polymer Processing, Epoxy Chemistry, Polymer Characterization
...Education Ph.D. in Materials Science from Northwestern University (specialty in polymer science) BSME in Mechanical Engineering from Marquette University (specialty in Materials Science) Professional Memberships Forensic Expert Witness Association (FEWA) American Chemical Society (ACS) International Microelectronics Assembly and Packaging Society (IMAPS) Institute of Electrical and Electronics Engineers (IEEE) Society of Plastics Engineers (SPE) Society for the Advancement of Material and Process Engineering (SAMPE) Institute of Management Consultants (IMC)

Peter Jaramillo, CIH Delta Bay Consultants, LLC

Antioch, California
Industrial Hygiene, OSHA - Industrial Hygiene, Health & Safety, Occupational Health, Indoor Air Quality, Biological Hazards, Chemical Hazards, Construction Safety, Valley Fever, COVID-19, Noise, Environmental, Laboratory Safety, Emergency Preparedness, OSHA, Certified Industrial Hygienist, Workers Compensation
...As co-owner and Principal Industrial Hygienist of Delta Bay Consultants, LLC, Peter provides the following services: (1) air & noise monitoring; (2) indoor air quality investigations; (3) health & safety programs; (4) hazard/risk assessments; (5) ergonomics surveys; (6) assessments of work practices, engineering controls, personal protective equipment, and emergency preparedness; (7) confined space and ventilation evaluations; (8) employee training/mentoring; (9) acting as a technical resource, subject matter expert, and regulatory liaison; and (10) Expert Witness Testimony and other Litigation Support on legal claims related to occupational health & safety. Peter has provided expert witness services for numerous cases involving exposures to Coccidioides immitis (the "Valley Fever" pathogen) in the Central Valley of California....

Christian W. Knudsen, PhD MIT, PE Knudsen Associates

California
Chemical Engineering, Chemistry & Chemicals - Intellectual Property, Patent Analysis, Patent Infringement, Patent-Litigation Support, Patents, Petrochemicals, Specialty & Fine Chemicals, Plastics, Oil & Gas, Coal/Synfuels, Rubber, R&D, Laboratories & Testing, Environmental, Toxic Chemicals, Failure Analysis, Forensic Science
...Dept. of Energy. 18 years owning and managing a private R&D chemical process development laboratory.

Tyson S Foutz, PE Foutz Consulting, LLC

Durango, Colorado
Oil and Gas, Engineering - Oilfield Operations, Well Control, Petroleum Engineering, Upstream Oil & Gas Industry, Drilling, Artificial Lift Design, HTHP, Reservoir Engineering, Hydraulic Fracturing, Intellectual Property, Rig Supervision, Chemical Production Optimization
...Foutz is a petroleum engineer with broad experience in the upstream oil and gas industry, particularly in oilfield operations, drilling, and well control. Tyson is a licensed professional engineer with a IWCV Supervisor (Level 4) Well Control Certification and a member of the Society of Professional Engineers, American Petroleum Institute, American Society of Safety Professionals, and the American Association of Drilling Engineers. He provides oilfield consulting focusing on operations and project execution in both office and field environments and expert witness services....

Lisa A. Fedick, CAE Wonderland of Ice Associates, Inc

Orange, Connecticut
Athletics & Recreation, Risk Management - Ice Arena / Ice Rink Best Practices, Ice Arena / Ice Rink Operations, Ice Arena / Ice Rink Risk Management, Ice Skating Slip and Fall, Ice Skating Accidents, Ice Arena / Ice Rink Design and Safety, Ice Sport Facility Management, Ice Skating Program Administration and Technical Ice Skating
...After earning a degree in Chemical Engineering from the University of Connecticut, Lisa Fedick’s career in rink management began in 1989, with her company, the Wonderland of Ice Associates, Inc, being awarded the long-term lease of the Wonderland of Ice in Bridgeport, Connecticut. Lisa continues to be part of all aspects of the day to day business operations, including management, operations, programming, risk management, retail and food and beverage. The Wonderland of Ice was part of one of the first public / private ice arena privatization arrangements in the country. Lisa’s ice arena has since been expanded to include a second NHL surface, as well as a dedicated curling rink. Through the planning and design of Lisa’s creation, the business footprint has increased by 600%. Lisa has also recently acquired a second arena in Norwich, Connecticut and a synthetic ice facility in Westbrook, Connecticut....

Ernest P Chiodo, MD, JD, MPH, MS, MBA, CIH South Florida Mold & Toxicology Center

West Palm Beach, Florida
Toxicology, Mold - Mold, Drug Toxicology, Alcohol Toxicology, Lead, Chinese Drywall, Hydrogen Sulfide, Industrial Hygiene, Benzene, Mercury, Formaldehyde, Sick Building Syndrome, Fracking, Nanoparticles, Nanotechnology.
...MD: Wayne State University JD: Wayne State University MPH: Harvard MS Biomedical Engineering: Wayne State University MS Threat Response (biological, chemical, and radiological defense): University of Chicago MS Occupational and Environmental Health Sciences with Specialization in Industrial Toxicology: Wayne State University MBA: University of Chicago MS Evidence Based Health Care: University of Oxford (UK) MS Experimental and Translational Therapeutics (drug, vaccine, and medical device development): University of Oxford (UK). MS Nanotechnology for Medicine and Health Care: University of Oxford (UK) Dr. Chiodo has been honored by the Wayne State University College of Engineering Hall of Fame in 2019 as a Distinguished Biomedical Engineer Dr. Chiodo has received the rare honor of the Distinguished Alumnus Award for 2023 from Wayne State University School of Medicine. Wayne State University started in 1868 as a medical school....

Daniel . Gottuk, PhD Gottuk Engineering

Florida
Fire, Engineering - Fire Protection Engineering, Arson, Smoke Detection, Fire Alarm, Fire detection, Smoke and CO alarms, Forensic engineering, Fire spread analysis, Fire recreation, Origin and cause investigation, Consumer products, Failure Analysis, Modeling
...Dan Gottuk is the President of Gottuk Engineering after a 30 year career with Jensen Hughes, with which he still maintains a relationship with a team of over 100 experts providing expert witness and failure analysis services for a range of specialties associated with fires and explosions, mechanical, electrical, construction, codes and standards, materials, chemical, metallurgical, process safety and concrete. Other specific service areas include: Arson Investigation, Origin & Cause Investigations; Fire Spread Analysis; Fire Modeling; Fire Testing; Sprinkler Systems; Inadvertent Discharge; Corrosion; Fire Alarm Systems; Smoke Alarms; Carbon Monoxide; Kitchen Hood Suppression; Battery Fires (including Lithium and Lithium Ion); Building Insulation Fires; Spray-Applied Fire-Resistive Materials (SFRM); Structural Fire Protection; Combustible Dust Hazards; Dust Explosions; Laboratory & Evidence Examination. Dr....

Edwin P Granberry Jr Granberry Consulting Services LLC

Winter Park, Florida
Chemistry & Chemicals, Environmental - Demolition Safety Plans,Environ Site Assemnts (ASTM 1527),Chemical Process Safety,Chemical Expos,Slips,Trips & Falls,Safety Training Courses,OSHA Compliance Programs (1910 & 1926),Munitions Audits,Explos/Ord Ops ,Forensic Chemistry,Emerg Resp. Plans & Procs,Mach Guarding,, EPA Matters (Title 40)
Over 65 years of professional management / hands-on experience in the Chemical, Safety Engineering, Environmental Affairs & Assessments,Hazardous Waste Site Clean-up,Specialized Safety Training Courses,Munitions & Ordnance Safety Procedures & Disposal,Emergency Response Plan Mngmt Qualified as as Expert Witness in the following Categories: Safty. Engr, Environ. Affairs & Assesmts,Chemistry & Chemicals,Slip & Falls,Chem. Process Safety,Coefficient of Friction, Emerg Respons Plans , OSHA 1910 & 1926, EPA Title 40 CFR Matters, Machine Guarding. Ground Water Pollution Matters Radiation Safety Matters

Joseph (Jay) H McIsaac, III, MD, MS, MBA, CPE, NACD.DC, FASA McIsaac Consulting, LLC

Port St. Lucie, Florida
Anesthesiology, Pediatric Anesthesiology - Patient Safety, Trauma, Coagulopathy, BioEngineering, Cardiovascular, Monitoring, CBRN, Airway, Disasters, Quality, Hemorrhage, Massive Transfusion, Technology, Risk and Crisis Management, Temperature and Hypothermia Reduction, Resuscitation, Non-OR Anesthesia, Pediatric Anesthesia, Risk Reduction.
...Masters in biomedical engineering; MBA; Certified Physician Executive; Certified Corporate Director; Author, Educator, Inventor, and Disaster preparedness expert. Able to cross multiple domains and explain complex topics in plain language to a layman. Two books, 67 chapters, articles, editorials, and other publications. A well-known speaker at national and international professional meetings. He has presented and done simulation training at many medical, engineering, security, and banking conferences. Chief of Trauma Anesthesia at Hartford Hospital (Level 1) and Trauma Liaison at the UConn Health Center. He will be transitioning to independent medical practice in February 2024 with a more flexible schedule. Presently serving on two international boards of directors: The Trauma Anesthesiology Society (Co-founder) and the World Association for Disaster and Emergency Medicine. Dr. McIsaac is an innovator and master educator....

Meyer R. Rosen, FAIC, FRSC, CPC, CChE, DABFET Interactive Consulting, Inc.

Bonita Springs , Florida
Products Liability, Fire - Fires, Explosions, hazardous chemicals, Chemical burns,Toxic exposures, chemistry, chemical engineering, consumer products, industrial products, industrial accidents, materials science, cosmetics, hair relaxers, warnings & instructions, OSHA Codes, Standards, SDS, Patent Infringement, Trade Secrets
...Evaluation of hazardous chemicals & safety issues; Chief Scientific Advisor and Director of Technical & Regulatory Symposia for HBA (Health & Beauty, America), Academic Experience: Adjunct Professor Fire Science (15 years); Fire and Explosion Investigator (E-CFEI); Advanced Training (CFEI). Affiliate member National Academy of Forensic Engineers. National Association of Fire Investigators, International. Life Member Member: National Fire Protection Association, American Chemical Society, American Institute of Chemical Engineers, Contributing Expert for ASTM Standards- Making Committees (American Society of Testing Materials), Peer Reviewer Professional Journals, Member: Center for Dermal Research, Rutgers University....

Rustom S Kanga, Ph.D. Xiper Innovations, INC.

KENNESAW, Georgia
Chemistry & Chemicals, Chemical Engineering - Polymer Chemistry, Photopolymers, Graphic Arts (Printing), Flexographic Printing, Screen Printing, UV Cure Technologies, Elastomers, Water-borne Coatings, UV Cure Coatings, Solvent-borne Coatings, Antimicrobial Coatings, 3D Additive manufacturing, Smart Coatings
Rustom Kanga is the President and Founder of Xiper Innovations, Inc., a consulting firm offering Research and Product Development services to corporations. Dr. Kanga is a Research Scientist and Product Development professional with extensive knowledge in the Graphic Arts (Flexographic Printing), Photopolymers, UV Cure, Polymer Chemistry, and Specialty Coatings industries. Dr. Kanga has wide experience in all aspects as an Expert Consultant / Expert Witness specifically in Patent Litigation matters in Flexographic Printing, polymer chemistry, and UV cure projects. Dr. Kanga also has experience in Utility Patent Application Projects with US PTO. He has a working knowledge of Inter Partes Review (IPR) and Post Grant Review (PGR) as it pertains to challenging the validity of issued patents. Specific Expert Witness/Consultant Projects • Arkansas Labeling Inc. v. Tim Proctor, Gary Parr, et al: United States Eastern District Court. Case# 4:19-cv-00773-KGB. Expert Consultant and Expert Witness...

John P Daly Daly Marine Services LLC

Idaho Falls, Idaho
Maritime, Engineering - Marine Engineering, Loss of propulsion, Engine Failure, Bunker Fuels, Allisions, Fire Investigations, Equipment Failures, OWS
...Daly is an accomplished marine engineer with nearly 40 years of experience in the maritime industry. Mr. Daly has been contracted as an expert witness on behalf of vessel owners and other interested parties and as a consulting expert on behalf underwriters and on behalf of the U.S. Department of Justice. Mr. Daly is a marine surveyor and the owner of, and principal surveyor for, Daly Marine Services LLC. Daly Marine Services LLC specializes in Hull & Machinery surveys. He has conducted investigations and reported on issues including loss of propulsion, engine failures, fuel quality disputes and fuel related casualties, equipment failures, machinery space fires, structural damage, vessel sinkings, emission cases, personal injuries and other casualties on behalf of ship owners and underwriters....

Kevin L. Trangle, MD,MBA Kevin Trangle & Associates

Illinois
Occupational Medicine, Environmental - Addiction Medicine, Chemistry, Chemicals, Preventive Medicine, IME, Indoor Air Quality, Internal Medicine, Toxicology, OSHA, Disability Evaluation, Engineering-Biomedical

Adam Birchfield, CSP, CHST A & A Safety Consulting

Hanover, Indiana
Safety - Fall Protection, EM385-1.1, OSHA and ANSI Standards, Scaffolds, Accident Investigation, General Contractor requirements , Crane Accidents, Steel Erection, Multi-employer Worksites, Excavations & Trenching, Slips, trips, and Falls, Effective Safety training, failure to train, and Inadequate training
Seasoned Safety and Health Professional with experience in managing complex safety operations across diverse industries, including construction, general industry, chemical plants, military, and federal projects. My career spans roles as a Safety Specialist with the US Army Corps of Engineers, where I managed safety program elements, conducted hazard assessments, and provided critical training to personnel at all levels. Contributions also extend to the EM385.1.1 update for the Army Corps of Engineers Headquarters, highlighting my technical decision-making abilities and leadership skills....

Makarand (Mark) Hastak, PhD, PE, CCP, CRIS Hastak Consulting Services, LLC

Indianapolis, Indiana
Construction, Civil Engineering - Construction Engineering, Construction Management, Cost Overruns, Schedule Delays, Construction Safety, Modular Construction, Factory Built Construction, Infrastructure Planning, Data Center Construction, project risk management, Disaster Recovery, Disaster Mitigation, Trade Secret Misappropriation
...Hastak is Professor and the Dernlan Family Head of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. He is also an Honorary Distinguished Visiting Professor at Tsinghua University in China. Dr. Hastak has assisted the construction industry for the past 33 years through consulting, research, teaching, and service to the community. Prof. Hastak is recognized around the world as an expert in the area of construction engineering and management with specific expertise in profitability of construction companies, disaster risk reduction, infrastructure management, project control, and risk management. He is a licensed Professional Engineer (PE), a Construction Risk Insurance Specialist (CRIS), and a Certified Cost Professional (CCP). Prof. Hastak has worked on numerous projects sponsored by the NSF, State DOTs, City Agencies, and the Construction Industry Institute (CII)....

John A Williams, PhD, PE, ASA, MBA, CFEI, AIChE Fellow EPS, Inc.

South Bend, Indiana
Energy, Intellectual Property - Intellectual Property, Appraisals & Valuations, Commercial Damages, Renewable Energy, Biogas, Biofuels, Wind, Solar, Geothermal, Biomass, Waste-to-Energy, Oil & Gas, Oil Refining, Fires, Explosions, Chemical Release, Product Contamination, Electricity, Coal Technologies, Chemistry & Chemicals
...Williams is a recognized expert in the engineering analysis and financial appraisals of energy, electricity, and process technologies; and intellectual property (patents, trade secrets, proprietary technology), licensing, royalty structures, market analysis, infringement, invalidity, pricing economics, and lost profit damages. Dr. Williams provides expert engineering, detailed technical and financial appraisals, licensing and royalties analysis, quantification of damages, litigation support, due diligence, and understandable testimony involving renewable energies including biogas, ethanol and butanol biofuels, wind, solar, geothermal, biomass and waste-to-energy; oil and gas, petroleum refining, and storage; electrical power generation, trading, and storage; and coal, char, steel and metals, agricultural and chemicals technologies. Dr. Williams analyzes the complex and expresses it in understandable technical, environmental, and financial terms. Dr....

William J. Kirkham, P.E., S.E., Ph.D. APT Engineering LLC

Eudora, Kansas
Structural Engineering, Construction Defects - Codes, Concrete Failures, Steel Failures, Masonry Failures, Wood Failures, Corrosion, Seismic Design, Wind Design, Partial/Full Collapse, Prestressed Concrete, Post-tensioned Concrete, Facade performance, Cladding Failures, Vibration, Timber Construction, Timber Decay, Wood Decay, Tall Buildings
As an engineer, I am fascinated by complexity and understanding new and different situations. I love to talk about engineering and explaining engineering processes and principles to young engineers and lay persons is personal passion. Examining a structural failure brings out my inner researcher, and explaining the cause and physics to a jury or arbitration panel channels my teacher personality. I work as a forensic engineer with the intent of helping the legal industry understand engineering principles and to help citizens resolve their disputes justly. Though I have worked as a scientific programmer and chemical engineer, my primary expertise is in structural engineering. I began professional practice at kpff in Portland, OR in 1998. In 2001, I was hired by DCI Engineers. In 2003, I started my own consulting engineering firm which I continue to operate. I have designed concrete, steel, masonry and wood structures, generally commercial, government or schools....

Randy Gray, CHST, CSHM, GSP, OHST, BS, MS Grayhawk Advantage, Inc., dba. Grayhawk Safety & Health Consulting Company

Benton, Kentucky
OSHA, Safety - OSHA, Industrial Accidents, Safety, Industrial Hygiene, Loss Control, Risk Management, Slip Trip & Fall, Construction Accidents, Manufacturing Accidents, Insurance, Investigations
...Specialties Include; Agricultural Accidents Construction Accidents Manufacturing Accidents OSHA Styled Agricultural Safety & Health Audits OSHA Styled Construction Safety & Health Audits OSHA Styled General Industry – Manufacturing Sectors Acoustical Aerial Lifts Amputations American National Safety Institute “ANSI” Standards Bloodborne Pathogens and Related Diseases Burn Injuries Chemical Burns Chemical Exposures Conveyors Cranes Electrical Safety Employers Affirmative Defenses, the (also The Employee Conduct Defenses) Excavation (Trenching) Explosion Investigations Fall Protection Fall Arrest Systems & Failures Fire Investigations Hazardous Materials & Substances Human Factors Job Hazard Analysis Job Safety Analysis Ladders – Fixed & Portable Manufacturing Accidents Manufacturing Assessments & Evaluations Manufacturing Safety & Health Materials Handling NFPA 70E Electrical Arch Flash Accident Investigations NFPA 654 Combustible Dust Accident Investigations Noise Assessments & Engineering...

John Hlinka, PE, M. ASCE

Benton, Kentucky
Structural Engineering, Civil Engineering - civil, railroad, accident, cranes, failures, foundations, structures, drainage, culverts, washouts, hydrology, concrete pump trucks, corrosion, chemical, industrial, building codes, inspections, construction, OSHA Compliance, swimming pools, structural, tornado, earthquake, railroad, highway, stone
...Hlinka has worked over 40 years in the Engineering, Procurement and Construction Management market with experience in numerous industries: Chemical, Oil Refinery, Pulp & Paper, Adhesives, Nuclear Power Generation, Nuclear Feed Stock, and Steel. His work has overlapped with residential and commercial industries. Throughout his career he has engineered and managed a myriad of projects in these industries and has provided leadership to the various companies in the capacities of: Site Manager, Design Manager, Project Manager, Construction Supervisor, and currently as President. Design engineering, analysis, and inspection experience includes structural steel, reinforced concrete, stone, masonry, wood, and stormwater drainage.

Doug Rush, CIH, CSP, CHMM, SMS, OHST, REPA,MSc, Scopus Consultants, Inc.

Louisiana
Industrial Hygiene, Safety - CIH, CSP, CHMM, Covid, Indoor Air Quality, Toxicology, Asbestos, Environmental, Mold, Legionella, Pesticides, Dermal Assessment, Exposure, Occupational Hygiene, COPD, Forensic Science, Environmental Engineering, Job Hazard Assessment, OSHA, Safety, Warnings & Labels, Products Liability, IAQ
...I help clients with a whole range of health, safety, and environmental challenges, and I have a specialty in industrial hygiene including forensic analysis and testimony associated with current and past exposures to chemical, biological, and safety related injuries and illnesses. My experience encompasses the leadership and management of teams of Health, Safety and Environmental (HSE) experts including industrial hygienists, safety professionals, environmental engineers, medical doctors, nurses, and technicians in workplace incidents and exposures to industrial chemicals and substances such as asbestos, benzene, welding fumes, lead, mold, pesticides, among others. My accomplishments include participation as an expert forensic HSE investigator in legal proceedings including written and oral depositions and product liability cases. I am a hands-on, result driven HSE leader with unified technical, business, communication, interpersonal, and organizational skills....

Daniel . Gottuk, PhD Gottuk Engineering

Ellicott CIty, Maryland
Fire, Engineering - Fire Protection Engineering, Arson, Smoke Detection, Fire Alarm, Fire detection, Smoke and CO alarms, Forensic engineering, Fire spread analysis, Fire recreation, Origin and cause investigation, Consumer products, Failure Analysis, Modeling
...Dan Gottuk is the President of Gottuk Engineering after a 30 year career with Jensen Hughes, with which he still maintains a relationship with a team of over 100 experts providing expert witness and failure analysis services for a range of specialties associated with fires and explosions, mechanical, electrical, construction, codes and standards, materials, chemical, metallurgical, process safety and concrete. Other specific service areas include: Arson Investigation, Origin & Cause Investigations; Fire Spread Analysis; Fire Modeling; Fire Testing; Sprinkler Systems; Inadvertent Discharge; Corrosion; Fire Alarm Systems; Smoke Alarms; Carbon Monoxide; Kitchen Hood Suppression; Battery Fires (including Lithium and Lithium Ion); Building Insulation Fires; Spray-Applied Fire-Resistive Materials (SFRM); Structural Fire Protection; Combustible Dust Hazards; Dust Explosions; Laboratory & Evidence Examination. Dr....

Christian W. Knudsen, PhD MIT, PE Knudsen Associates

Massachusetts
Chemical Engineering, Chemistry & Chemicals - Intellectual Property, Patent Analysis, Patent Infringement, Patent-Litigation Support, Patents, Petrochemicals, Specialty & Fine Chemicals, Plastics, Oil & Gas, Coal/Synfuels, Rubber, R&D, Laboratories & Testing, Environmental, Toxic Chemicals, Failure Analysis, Forensic Science
...Dept. of Energy. 18 years owning and managing a private R&D chemical process development laboratory.

Chris Scott, PhD Material Answers LLC

Weston, Massachusetts
Chemical Engineering, Failure Analysis - polymer, plastic, rubber, coating, materials, material science, material engineering, thermoplastic, thermoset, composite, design, manufacturing, adhesive, ink, automotive, medical device, aerospace, packaging, accident, defect
...Managing Engineer Massachusetts Institute of Technology, 2000 – 2001. Associate Professor, Department of Material Science and Engineering Massachusetts Institute of Technology, 1994 – 2000. Assistant Professor, Department of Material Science and Engineering Eastman Chemical Company, 1990 – 1994. Senior Engineer

Rouzbeh R. Taghizadeh, Ph.D. Kendall Innovations

Cambridge, Massachusetts
Regenerative Medicine, Biomedical Engineering - Regenerative Medicine, Cellular Therapies, Stem Cells, Extracellular Matrix, Perinatal Tissues (Placenta, Amnion, Chorion, Umbilical Cord Blood/Tissue), Transplantation, Cellular & Tissue Engineering, Biotechnology, Bioengineering, Medical Devices, Tissue Processing/Banking, HSCs, MSCs
...Taghizadeh obtained his Bachelor of Science in Chemical Engineering from the University of Massachusetts, Amherst, in 2000. At AuxoCell, Dr. Taghizadeh developed novel methods and technologies in order to establish the collection, processing, and banking of stem cells from the human umbilical cord for eventual utilization in cell based therapies, regenerative medicine, and other clinical applications. Most notably, Dr. Taghizadeh and his team developed the patented AuxoCell Processing System (AC:Px®) in order to allow for standardized, efficient collection of stem cells from solid tissue in a closed, single-use, disposable system. Fusing business savvy with a laser focus on the clinical utility of stem cell-based therapies, Dr. Taghizadeh combines extensive stem cell industry expertise with his executive capacity to fully integrate business with science and engineering, in order to bring successful, novel therapies to patients.

Randal Hill, PhD Kodiakhill Services LLC

Honor, Michigan
Chemistry & Chemicals, Chemical Engineering - Colloid, Surface Chemistry, Silicones, Materials Science, surfactants, detergents, formulation, emulsions, microemulsions, liquid crystals, formulation, product development, patents, IP, personal care, household care, upstream oil & gas, electrophoretic displays, agricultural adjuvants
...Involved member of multiple organizations, including American Chemical Society, Society of Petroleum Engineers, American Physical Society, and American Oil Chemists Society. Author of 59 publications, including an authoritative book: “Silicone Surfactants.” Highly awarded inventor with accolades that include 3 Dow Corning Technical Achievement Awards, as well as the AOCS Samuel Rosen Award for Surfactant Chemistry.

Timothy J. Mayotte, Ph.D., CPG, P.E. Mayotte Design & Engineering

East Lansing, Michigan
Civil Engineering, Environmental Engineering - Groundwater, Wastewater, Remediation, Bioremediation, Modeling, Stormwater, Hydrogeology, Hydrology, Geotechnical, Microbiology, Contamination, Geochemistry, Construction, Demolition, Home Inspection
...TImothy Mayotte is President and CEO of Mayotte Design & Engineering, PC, a civil and environmental engineering design firm based in East Lansing, Michigan. Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries. MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment and air. Dr. Mayotte has assisted clientele across globe, having completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mexico....

James M. Miller, PE, PhD J.M. Miller Engineering, Inc.

Ann Arbor, Michigan
Safety, Agriculture Engineering - Accidents, Auto ADAS, Agriculture, Battery Fires, Cannabis Processing, Chemical Exposure, Child Safety, Construction, Electrocution, Ergonomics, Fitness Equip, Fires/Explosions, HazCom, Human Factors, HVAC, Mechatronics/Nano, Medical Devices, OSHA, Recalls, RV/ATV, Slip/Fall, Vapes, Warnings/Label
There are four PhD and registered Professional Engineers at Miller Engineering who are celebrating 40 years of Professorships at three universities along with providing services to Government, Insurance, and Industry—through research, publications, presentations, and expert testimony. These co-founders and associates are James M. Miller, PE, PhD; Mark R. Lehto, PhD; David R. Clark, PE, PhD; Adam M. Olshove, PE, MSE; and Jeffrey D. Rupp, MSE. Miller Engineering has a dedicated office with a full-time staff of engineers, researchers, and technical writers. The span of our collective academic and experiential expertise includes the Mechanical, Electrical, Chemical, Agricultural, Industrial, Human Factors, Ergonomic and Safety fields of engineering....

Chris K. Haas, PhD Indigo Sciences, LLC

Saint Paul, Minnesota
Chemical Engineering, Intellectual Property - polymers, plastics, patent infringement, adhesives and films, security documents, micro-optics, extrusion, injection molding, product development, failure analysis, laminates, polymer coatings
...He is an Engineering Fellow at the University of St. Thomas School of Engineering where he has taught since 2009, including courses on materials , polymers in design, senior design, fluid mechanics laboratory, and thin films. He also teaches on materials at the University of Minnesota. More than 25 years of industry experience at 3M and Gemalto/Thames during which he generated, supported, and defended numerous patent filings and developed products that have achieved over $250MM in sales. A member of the American Institute of Chemical Engineers (AIChE), the Northwestern University Chemical and Biological Engineering Advisory Board, and the Document Security Alliance. Dr. Haas has 18 patents. Focus areas include: - New product and technology development - R&D strategy - Polymer extrusion and coating - Polymer and adhesives systems and properties - Security document features, printing, and fabrication - Adhesives and tapes - Defect analysis / failure analysis Dr....

Christian W. Knudsen, PhD MIT, PE Knudsen Associates

New York
Chemical Engineering, Chemistry & Chemicals - Intellectual Property, Patent Analysis, Patent Infringement, Patent-Litigation Support, Patents, Petrochemicals, Specialty & Fine Chemicals, Plastics, Oil & Gas, Coal/Synfuels, Rubber, R&D, Laboratories & Testing, Environmental, Toxic Chemicals, Failure Analysis, Forensic Science
...Dept. of Energy. 18 years owning and managing a private R&D chemical process development laboratory.

JOHN A SEITZ, MD

New York, New York
Obstetrical Anesthesiology, Anesthesiology - obstetric anesthesia, epidural anesthesia, nerve block, regional anesthesia, outpatient anesthesiology, preoperative evaluation, postoperative care, general anesthesia, office based anesthesia, peripheral nerve injury, hypoxia, intubation, airway management, critical care, intensive care, monitoring
...Dr Seitz received his bachelors degree at The University of Pennsylvania in Chemical Engineering with a minor in psychology. He did his anesthesiology training at Columbia Presbyterian Medical Center in New York City. He continued his career in New York and has been an attending anesthesiologist at Lenox Hill Hospital for the past 15 years on the upper east side of Manhattan. Dr Seitz is known for his communication skills and ability to quickly develop a rapport with his patients. His background in engineering, physics and psychology allows him to maintain a unique perspective on perioperative anesthesia care. Dr. Seitz while at Lenox Hill was known for his clinical acumen in obstetric anesthesia, anesthesia for ENT surgery, bariatric surgery, gynecologic surgery, endoscopy, plastic surgery, and orthopedic surgery. His ability to make quick decisions and put patients at ease with his bedside manner made him a valuable member of the team at Lenox Hill Hospital.

Kevin L. Trangle, MD,MBA Kevin Trangle & Associates

Mayfield Heights, Ohio
Occupational Medicine, Environmental - Addiction Medicine, Chemistry, Chemicals, Preventive Medicine, IME, Indoor Air Quality, Internal Medicine, Toxicology, OSHA, Disability Evaluation, Engineering-Biomedical

Gary D Fletcher, PhD RnDDx Solutions LLC

Media, Pennsylvania
Medical Devices, Biomedical Engineering - Mechanical Engineering, R&D, Product Development, Clinical diagnostics, Blood collection, Biospecimens, Point of care testing, Microfluidics, Spectroscopy, Cell therapy, Intellectual Property, Microscopy, Physics, Biomedical sensing, Optics, Imaging, Mathematics, Laboratories & Testing, Lasers
...Fletcher is Founder and Principal Consultant at RnDDx Solutions LLC, a consulting firm focused on industrial biomedical and mechanical engineering, and research and product development, in medical devices, diagnostics, optical devices, point-of-care blood sample testing, and on expert witness patent litigation, including subject matter expertise in medical device mechanical engineering, and subject matter expertise in medical devices for blood collection and blood sample processing for diagnostics and therapeutics. He has particular expertise in mechanical engineering design and development of non-invasive and minimally invasive biomedical diagnostics systems, blood collection and stabilization, blood separation, and blood and cell preparation for both diagnostic and therapeutic applications, including the development of sample collection devices, needles, and lancets. He is co-inventor on 23 patents for devices and methods in blood collection and processing....

Robert A Iezzi, PhD RAI Technical Solutions, Inc.

West Chester, Pennsylvania
Chemistry & Chemicals, Metallurgy - Paint, Plastics, Metal Coatings, Packaging, Fluoropolyners, Pretreatments for Metals & Plastics, Patents, Nanotechnology, Corrosion, Polymer Science, Metal Alloys, Electrochemistry, Steel, Laminates, Li-ion Batteries, Surface Preparation & Cleaning, Extrusion, Product Development, Li-ion batteries
...Most of my experience was obtained while working in R&D at Fortune 500 companies, specifically Arkema Chemicals, Campbell Soup, Betz-Dearborn, and Bethlehem Steel, where I developed and commercialized dozens of innovative products. I was awarded seven U.S. patents, multiple foreign patents, and have authored 2 book chapters and 50 publications in respected technical journals and conferences. I earned my Ph.D. in Materials Science (coatings and corrosion specialty) from Lehigh University. I have testified in federal court, and at several depositions, including a 9-hour video deposition. As a technical expert witness, I am highly responsive, have outstanding integrity & efficiency, excellent written & oral communication skills, and unique ability to communicate complex technical topics into laymen terms....

Martin U Schlegel, Dr. rer.-nat. (Equivalent to PhD) chemneera LLC

Warrendale, Pennsylvania
Chemistry & Chemicals, Failure Analysis - Sports Technology, Sports Surfaces, Synthetic Turf, Artificial Turf, Playgrounds, Running Tracks, Gymnasium Floors, Court Surfaces, Construction Defects, Manufacturing, Recreational Coatings, Surface Coatings, Technical Textiles, Protective & Shock-absorbing Materials, Material Fatigue & Failure.
...Throughout his manufacturing career, he worked globally in various roles including management positions in business information technology, quality management, engineering and business M&A. Martin holds a Doctorate degree (Dr.rer-nat.) in natural science from the oldest technical university in Germany (Technische Universität Braunschweig) specializing in Chemical Engineering (technical chemistry), a German Diplom (MSc) in Chemistry and engaged in economic studies as part of his doctorate program. In addition, he completed the Certificate of Business Excellence (Executive Education) at the Haas School of Business, UC Berkeley, California. He is a Director and Board Member multiple companies, a casual lecturer on sports management, entrepreneurship and innovation and volunteers as the President of a cross-border student exchange scholarship program....

Amy S. Anderson, BSChE, P.E., CFEI The Warren Group

Irmo, South Carolina
Fire, Forensic Science - Fire Sprinkler Systems, Fire Protection Engineer, CFEI, Commercial Kitchen Fires, Dust Explosions, Fires & Explosions Analysis: Origin & Cause, Fire Suppression Systems, Industrial Process Hazards, Property Damage Claims, deflagration,
Senior Consulting Engineer Amy Anderson has over 20 years of property loss prevention engineering and experience specializing in fire protection. Amy graduated from Clemson University with a degree in Chemical Engineering and is a licensed Professional Engineer in Fire Protection, as well as a Certified Fire and Explosion Investigator. Amy has an extensive engineering background with experience evaluating a variety of buildings and occupancies, and advising clients on the prevention of property and business loss. While specialized in the evaluation of diverse chemical facilities, Amy is equally confident in textile plants, plastic production plants, warehouses, metal working facilities, commercial kitchens, offices and hospitals. Amy regularly investigates property damage claims involving fire protection systems and their potential failures....

Jennifer T. Morningstar, BSChE, PE, CFEI The Warren Group

Irmo, South Carolina
Chemical Engineering, Fire - Process Safety Management, Chemical Release & Exposure, Chemical Fires & Explosions, Boiler Fires & Explosions, Energy Management, Refrigeration, Cooling Towers, Chillers, Ammonia Based Refrigeration Systems, Saturated Steam and Super-heated Steam for Cogeneration
Jennifer Morningstar is a licensed professional engineer in South Carolina, North Carolina, Georgia, Iowa, Louisiana, Missouri, Oklahoma and West Virginia, and an NCEES Model Law Engineer. She has over 20 years of engineering experience. Her emphasis includes chemical release & exposure, OSHA compliance, boiler systems, industrial accident investigation, fires & explosions, product liability and scope of damage/cost to repair. She has provided deposition and trial testimony in both state and federal court. She spent 16 years working at a polyethylene terephthalate (PET) manufacturer where she gained experience with distributed control systems (DCS) and programmable logic controllers (PLC). She is an OSHA-trained Process Hazard Analysis study leader and completed Root Cause Failure Analysis training to become an Incident Investigator. Jennifer authored procedures for lockout/tagout and confined space entry. She also managed capital expansion projects in excess of $1M....

Daniel . Gottuk, PhD Gottuk Engineering

Texas
Fire, Engineering - Fire Protection Engineering, Arson, Smoke Detection, Fire Alarm, Fire detection, Smoke and CO alarms, Forensic engineering, Fire spread analysis, Fire recreation, Origin and cause investigation, Consumer products, Failure Analysis, Modeling
...Dan Gottuk is the President of Gottuk Engineering after a 30 year career with Jensen Hughes, with which he still maintains a relationship with a team of over 100 experts providing expert witness and failure analysis services for a range of specialties associated with fires and explosions, mechanical, electrical, construction, codes and standards, materials, chemical, metallurgical, process safety and concrete. Other specific service areas include: Arson Investigation, Origin & Cause Investigations; Fire Spread Analysis; Fire Modeling; Fire Testing; Sprinkler Systems; Inadvertent Discharge; Corrosion; Fire Alarm Systems; Smoke Alarms; Carbon Monoxide; Kitchen Hood Suppression; Battery Fires (including Lithium and Lithium Ion); Building Insulation Fires; Spray-Applied Fire-Resistive Materials (SFRM); Structural Fire Protection; Combustible Dust Hazards; Dust Explosions; Laboratory & Evidence Examination. Dr....

Christian W. Knudsen, PhD MIT, PE Knudsen Associates

Texas
Chemical Engineering, Chemistry & Chemicals - Intellectual Property, Patent Analysis, Patent Infringement, Patent-Litigation Support, Patents, Petrochemicals, Specialty & Fine Chemicals, Plastics, Oil & Gas, Coal/Synfuels, Rubber, R&D, Laboratories & Testing, Environmental, Toxic Chemicals, Failure Analysis, Forensic Science
...Dept. of Energy. 18 years owning and managing a private R&D chemical process development laboratory.

Doug Rush, CIH, CSP, CHMM, SMS, OHST, REPA,MSc, Scopus Consultants, Inc.

Cypress, Texas
Industrial Hygiene, Safety - CIH, CSP, CHMM, Covid, Indoor Air Quality, Toxicology, Asbestos, Environmental, Mold, Legionella, Pesticides, Dermal Assessment, Exposure, Occupational Hygiene, COPD, Forensic Science, Environmental Engineering, Job Hazard Assessment, OSHA, Safety, Warnings & Labels, Products Liability, IAQ
...I help clients with a whole range of health, safety, and environmental challenges, and I have a specialty in industrial hygiene including forensic analysis and testimony associated with current and past exposures to chemical, biological, and safety related injuries and illnesses. My experience encompasses the leadership and management of teams of Health, Safety and Environmental (HSE) experts including industrial hygienists, safety professionals, environmental engineers, medical doctors, nurses, and technicians in workplace incidents and exposures to industrial chemicals and substances such as asbestos, benzene, welding fumes, lead, mold, pesticides, among others. My accomplishments include participation as an expert forensic HSE investigator in legal proceedings including written and oral depositions and product liability cases. I am a hands-on, result driven HSE leader with unified technical, business, communication, interpersonal, and organizational skills....

Cristy M Schade, MD, PhD, PE Advanced Pain Solutions

Mesquite, Texas
Pain Management - Medicine, Disability Evaluation - CRPS, complex regional pain syndrome, RSD, reflex sympathetic dystrophy, implanted drug pumps for pain, ESI, epidural steroids, nerve pain, chronic pain, sciatic leg pain, opioid abuse, opioid addiction, illegally manufactured fentanyl deaths, failed back surgery syndrome, IME, Future Medical Needs
...With his dual training as both a physician and an engineer, Dr. Schade is a sought-after expert witness in medical-legal matters on the national stage, where he combines unique expertise with the overlap of medicine, bioengineering, and medical artificial intelligence (AI). He is a seasoned medical and legal expert and has been involved in over 100 cases for plaintiffs (60%) and the defense (40%). He has qualified as an expert witness in both state and federal court. He has authored over 100 expert reports and testified under oath at depositions and trials nationwide. Dr....

Morris D. Argyle, PhD, PE

Provo, Utah
Chemical Engineering, Safety - Petroleum Refining, Heterogenous Catalysis, Process Safety Management, Risk Management, Hazard Analysis, Fluid Catalytic Cracking, Oil and Gas, Energy, Catalyst Deactivation
Professional Engineer registered in Texas. Eight years' petroleum refining experience in process design, economics, fluid catalytic cracking operation and supervision, hydrodesulfurization and catalytic reforming supervision, technical and operations supervision. Prior expert witness in cases involving chemical engineering safety (heat transfer and pressure relief) and attempted arson. Twenty years' experience teaching undergraduate and graduate chemical engineering courses. 61 peer-reviewed journal publications in areas of heterogenous catalysis, catalyst deactivation, energy, hydrogen generation and purification, and CO2 capture, Fellow of the American Institute of Chemical Engineers.

Deborah E Dickerson, PhD CIH CSP CHMM Dickerson Consulting LLC

Blacksburg, Virginia
Products Liability, Warnings & Labels - Injury, Illness, Product Liability, Premises Liability, Industrial Accidents, Warnings and Labels, OSHA, Worker's Compensation, Human Factors, Safe Equipment Design, Respiratory Protection, Respiratory Illness, Chemical Exposures, Dust, Asbestos, Silica, Lead, Temperature Extremes, Laboratory Safety
Expertise in: product design and safety; design of product warnings and labels; chemical exposure risks, analysis, and health outcomes; industrial system design, safety, and training. I am an associate professor of safety engineering and human factors engineering and the Director of the Product and System Safety Laboratory in the Grado Department of Industrial and Systems Engineering at Virginia Tech in Blacksburg, VA. I hold MS and PhD degrees in safety engineering and the certified safety professional (CSP), certified industrial hygienist (CIH), and certified hazardous materials manager (CHMM) credentials. I have over 30 years of experience in the fields of industrial hygiene and safety engineering: conducting investigations and designing safe work systems. I led a compliance organization responsible for conducting investigations and ensuring compliance with safety and health standards (OSHA and EPA)....

Raymond V Kasey Raymond Kasey

Falls Church, Virginia
Transportation, Security - hazardous materials, dangerous goods, chemicals, railroad, truck cargo tank, security, grade crossing, derailment, mechanical , signal, operations, track, locomotive, tank car, packaging, accident reconstruction and investigation, Federal Railroad Administration
...My career began as a locomotive fireman and engineer on the Erie Lackawanna Railroad on September 6, 1967. I was subsequently promoted to Trainmaster-Road Foreman of Engines on the Consolidated Rail Corporation (aka, Conrail) in 1977. In 1983 was hired by the U.S. Department of Transportation / Federal Railroad Administration (FRA) as a Hazardous Materials (HM) Inspector. In 1991 I was again promoted as a HM Specialist to the FRA Headquarters in Washington, D.C. where I remained until my retirement at the conclusion of my government career in 2010. Since that time I have worked doing various consulting duties for railroads, railroad repair companies, other consulting companies, the government, and as an expert witness for civil litigation....

Christian W. Knudsen, PhD MIT, PE Knudsen Associates

Alexandria, Virginia
Chemical Engineering, Chemistry & Chemicals - Intellectual Property, Patent Analysis, Patent Infringement, Patent-Litigation Support, Patents, Petrochemicals, Specialty & Fine Chemicals, Plastics, Oil & Gas, Coal/Synfuels, Rubber, R&D, Laboratories & Testing, Environmental, Toxic Chemicals, Failure Analysis, Forensic Science
...Dept. of Energy. 18 years owning and managing a private R&D chemical process development laboratory.

Glenn D Prestwich, PhD Clear Solutions Biomedical

Port Townsend, Washington
Chemistry & Chemicals, Pharmaceutical Research - drug discovery, natural products chemistry, termite control, organic synthesis, lipid metabolism, sterol metabolism, fatty acid, phospholipid, anti-cancer drug, cholesterol, hyaluronic acid, polymers, insect pheromone, hormone biochemistry, biomaterials, regenerative medicine, intellectual property
Expert witness and consultant for intellectual property cases in the chemical and life sciences. Expert in organic synthesis, natural products chemistry, mechanistic enzymology, pest control agents, termite biology, insect and mammalian pheromone biochemistry, insect hormone biochemistry, mammalian and insect steroid metabolism, and photoaffinity labeling and intracellular visualization. Chemical biology of phosphoinositide and lysophosphatidic acid signaling; the chemistry of hyaluronic acid and development of hyaluronic acid derived biomaterials for wound repair, cell culture, tissue engineering. Discovery of anti-cancer, cholesterol-lowering, and anti-inflammatory drugs.