Human Factors Expert Witness

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This page contains human factors expert witnesses who testify, consult and provide litigation support on human factors and related issues. Human factors expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts. The issues and subjects these human factors expert witnesses testify regarding may include: Human Factors, Slip Trip & Fall, Failure Analysis, Products Liability, OSHA, Accident Reconstruction, Biomechanics, Ergonomics, Premises Liability, Warnings & Labels, Product Liability, Safety, Construction, Distracted Driving, and Engineering.

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Craig Rosenberg, PhD User Interface Expert Witness

Human Factors, Software Engineering - user interface, user interface design, mobile software, smartphones, software, software engineering, software architecture, virtual reality, augmented reality, GPS, human factors, display design, virtual environments, augmented environments, systems engineering, simulation, software development, UI
Dr. Rosenberg has testified at 6 trials in both state and federal courts, before the USPTO, at Markman hearings and at 35 depositions. Dr. Craig Rosenberg is a highly experienced expert witness, human factors engineer, user interface designer, software engineer with extensive expert witness experience specializing in user interface design and human factors issues for embedded, mobile, web, desktop, and server software working for a wide range of Fortune 500 companies including Google, Samsung, Amazon, Boeing, Disney, IBM, Nintendo, Dell, Huawei, LG, Ericsson, AT&T, Motorola, HTC, Mattel, and many others. He been retained as an expert witness over 95 times for both plaintiff and defense assisting clients in intellectual property cases in the areas of user interface, software design and architecture, and human factors for mobile, web, desktop, embedded, and server environments. Dr. Rosenberg specializes in software engineering, user interface design, information architecture, user...

Kevin A Rider, PhD, PE, CPE Forensic Human Factors, LLC

Human Factors, Engineering - Distracted driving, Driving behavior, Reconstruction, Biomechanics, Maritime, Manufacturing, Mining, OSHA, Premises Liability, Products Liability, Safety, Slips, Trips, Falls, Transportation, Warnings, Conspicuity, Cell phones, Texting, Lighting, Perception, Visibility, Instructions, Human Factors
Dr. Kevin Rider is a human factors expert and owner of Forensic Human Factors, LLC, providing investigations, reports and expert testimony for personal injury cases – plaintiff and defense. His expertise involves investigating how people interact with other people, products and environments in predictable ways, and applying this understanding to effective, efficient and safe products, services and systems. He has been retained as an expert in more than 40 states (+ Puerto Rico). Dr. Rider’s expertise includes: • MVAs and pedestrian collisions, incl. trucks, trains, buses, motor/bicycles • Illumination, nighttime visibility, and conspicuity • DUI/DWIs, where intoxication was not a proximate cause of crash • Adequacy of product designs and warnings • The design and maintenance of safe civil and occupational environments • Premises liability, and slips, trips and falls • Workplace and construction safety Dr. Rider is a Professional Engineer (PE), a Certified Professional Ergonomi...

MARTIN M BALABAN, PhD, PE AR TECH

Encino, California
Accident Reconstruction, Premises Liability - Biomechanics, Building Codes, Construction & Industrial Accidents, Failure Analysis, Human Factors, Mechanical Engineering, OSHA, Products Liability, Safety, Slip Trip & Fall, Vehicle collisions
Vehicular:
 all vehicle types, multi-vehicle, bicycles, pedestrians, skidmark analysis. damage-matching, occupant biomechanics. visibility & line-of-sight analysis, traffic signal phasing, vehicular component defects, seatbelts. Premises Liability: Code Compliance, Slip, trip, floor friction testing, stairway & ramp accidents, glass injuries, guardrails; illumination issues; manual & electronic gates, door closing mechanisms, falling objects, structural failures. Occupancies include single- and multi-family residences, retail stores, office buildings, garages, sidewalks, parks and other public access. Industrial & Construction accidents: Walking-working surfaces including ramps, hoisting & conveying, powered lifts, work platforms, forklifts, construction vehicles, materials handling & storage, machine guarding, ladders, scaffolding, trenching & shoring, Cal-OSHA compliance, lockout/tagout, IIPP analysis, human factors & ergonomics issues. Products Liability: Liability regard...

Stephen M Casner, Ph.D.

San Francisco, California
Human Factors, Warnings & Labels - Motor Vehicle Accidents, Distracted Driving, Products Liability, Pedestrian/Cyclist Accidents, General Aviation Accidents, Workplace Safety, Scooters, Reaction Time, Risk Perception, Warnings, Driver Behavior, Slip/Trip/Fall
Dr. Steve Casner is a former career NASA human factors psychologist. Steve draws on a wide body of scientific research to help characterize the understandings, perceptions, and abilities of a reasonably prudent person. Steve is able to help identify the contributions of persons, places, circumstances, and things in a variety of accident situations. Steve is an experienced driver, motorcyclist, bicyclist, and airplane and helicopter pilot and flight instructor. Steve’s first book entitled Careful was published by Penguin Random House in 2017 and reviewed in the Wall Street Journal, The New Yorker, and many others.

W. Dan Cerkan Balefire Safety Systems, Inc.

Carlsbad, California
Aviation & Aerospace, Safety - Helicopter, Fixed Wing, Pilot Error, Accident Investigation, Human Factors, Flight Operations, Pilot Training, Aviation Accidents, Crew Resource Management, Maintenance, Utility Aviation Safety, Helicopter Tours, Safety & Operations Audits
Vastly experienced pilot and aviation expert. Involved in over 100 accident investigations, produced numerous client specific safety management systems, consulted on aviation operations, and performed full system audits on fixed wing and rotary wing companies. Retired USMC Officer who served as U.S. Presidential Pilot for George W. Bush (HMX- 1/Marine One). Decorated combat veteran. Multiple Iraq tours including 2004 Battle of Fallujah. Master of Aeronautical Science Degree, dual concentrations in Aviation Safety Systems and Human Factors, from Embry-Riddle Aeronautical University (Graduated with Distinction (4.0 GPA). Extensive experience in aviation operations and aircraft maintenance. Dual-rated rotary wing and fixed wing pilot with over 3,700 hours of accident free flight time. Numerous military and civilian flight credentials including ATP rotorcraft, military flight instructor, Crew Resource Management Instructor, and Night Systems Familiarization Instructor to name a few. Ext...

Christopher A. Gayner, MSME Expert Reconstruction Company LLC

Santa Barbara, California
Accident Reconstruction, Biomechanics - Human Factors, Occupant Dynamics, Automotive Safety, Seat Belts, Airbags, Restraint Systems, Collision Analysis, Accident Causation, Accident Avoidance, Crash Data Retrieval, Animation, Vehicle
Expert Reconstruction Company LLC offers complete traffic accident reconstruction consulting and expert witness services. High quality scientifically based accident analyses for the litigation community on behalf of plaintiffs and defendants throughout California and the United States. Consulting on matters involving automobiles, trucks, tractor-trailers, buses, motorcycles, bicycles, and pedestrians. We are retained for both civil and criminal matters. Our loyal client base relies on our 30+ years of professional experience to address a wide variety of technical accident issues. CEO and Senior Engineer, Christopher Gayner, holds a Master of Science degree in Mechanical Engineering and he is an ACTAR certified Accident Reconstructionist. Please Call 888-687-1334 for an initial consultation.

Jose J. Granda, PhD, PE Cadsim Engineering

Sacramento, California
Accident Reconstruction, Engineering - Mechanical Engineering, Auto Accidents, Accident Biomechanics, Occupational Accidents, Failure Analysis, Computer Simulation, Finite Element Modeling (FEA), Motorcycle Accidents, Truck Accidents, Human Factors, Work Place Accidents, Vehicle Dynamics, Heavy Vehicles
Professor of Mechanical Engineering at the California State University in Sacramento, CA with 35+ yrs. experience. Professional Registered Mechanical Engineer (PE License, CA). An expert in accident reconstruction using computer simulations of accidents involving vehicles, trucks, motorcycles, biomechanics, occupational, workplace, failure analysis impact forces & industrial accidents. EDR (Event Data Recorder) analysis, patents. EW Experience: Written reports, depositions & trial experience. Specialized training: Vehicle Dynamics and Design, Vehicle Safety & Crash Reconstruction, Accident Biomechanics, Finite Element Modeling in Computer Aided Design, Advanced Mechanical Design and Failure Analysis, CSUS. Motorcycle Accident reconstruction, Northwestern University; EDR Certification, Tech 1, Tech II, EDR Analysis Certification, Collision Safety Institute; Applying Automotive EDR Data to Traffic Crash Reconstruction, SAE Society of Automotive Engineers International; Expert wit...

Justin Jaussi, MS, PE Jaussi Aviation Consulting

San Diego, California
Aviation & Aerospace, Engineering - Aircraft accident investigation, pilot procedures and regulations, human factors, failure analysis, aviation research
Mr. Jaussi has a unique combination of expertise as an aircraft accident investigator, an engineer, and a pilot. He has more than 20 years of experience in aviation and has participated in more than 100 aircraft accident investigations, including manned and remotely piloted aircraft. He is currently an engineering manager at an aerospace manufacturer, overseeing the investigation of aircraft accidents and urgent field anomalies. He previously was a pilot specialist and aircraft accident investigator for AvSafe, LLC, and the Aviation Safety Program Manager for the flight training department at Embry-Riddle Aeronautical University's Prescott campus. He also served as the Aviation Safety Officer in two U.S. Navy flight squadrons. Mr. Jaussi is a former U.S. Navy pilot and instructor pilot, flew for a major airline, and is a current general aviation pilot. Additional qualifications: Licensed Professional Engineer (P.E.), Mechanical Engineering FAA Airline Transport Pilot: Mu...

Anthony G Micale, Aerospace Engineer, BSME, MBA Micale Partners

Solvang, California
Aviation & Aerospace, Automotive - Aerospace Engineer, Aircraft Engineer, Failure Investigation, Failure Analysis, Aircraft Safety Risk Assessment, Flight controls systems design, Human Factors, Hazardous Operations, DOD Secret Top Secret eligible, Space Vehicle Design, Fact Finding Event Reconstruction, Throttle Control, ABS
Anthony Micale brings over 32 years of aerospace and automotive engineering experience, including rigorous failure analysis. He is part of the Micale Partners expert witness team. He is currently employed at a Federally Funded Research and Development Corporation where he contributes to US space flight mission assurance. He has specialized in aerospace design and operation of flight and space vehicles with an emphasis on flight safety and mission assurance. Anthony is a past technical leader of an aircraft accident and incident investigation board comprised of engineers, pilots and legal counsel for a major commercial aircraft manufacturer. In this role he has studied, understood, created reports and defined design changes to resolve aircraft safety issues. Over his career he has conducted numerous analyses for root cause to determine failures attributed to design flaws, human error, human workload, improper manufacturing and inadequate maintenance. He has designed aircraft sys...

Paul J Micale, Airline Pilot, Helicopter Pilot, MS, BA Micale Partners

Solvang, California
Aviation & Aerospace, Transportation - Airline Pilot Military Pilot Aviation Pilot Army Aviator Army Pilot Flight Operations Helicopter Pilot Aircraft Safety Risk Assessment Human Factors Crew resource management FAR 121 Pilot FAR Part 121 Pilot FAR 135 Pilot FAR Part 135 Pilot Flight safety Aircraft safety Crewmember fatigue
Paul Micale is an active airline pilot with 26 years of flight experience 13 of which are under FAR Part 121. He has over 7200 flight hours with multiple ratings. Paul is a decorated veteran being forward deployed as a combat pilot with the US Army during 7 years of active duty. His career includes continued service as a Lieutenant Colonel in the US Army Reserves where he has been a pilot and commander of flight units. As a military pilot he has flown fixed and rotary wing helicopter aircraft. His education and experience emphasizes flight operations and safety. He is part of the Micale Partners team. Paul is a licensed civilian Airline Transport Pilot with type rating as Pilot in Command and is currently employed by American Eagle Airlines as a CRJ-700 Pilot and First Officer in the Canadair Regional Jet aircraft with 65 seat occupancy. He is FAA certified for CAT II instrument approaches and to fly in Reduced Vertical Separation Minimum (RVSM) airspace. He is type rated for thi...

Kenneth Nemire, PhD, CPE HFE Consulting, LLC

Campbell, California
Human Factors, Warnings & Labels - Products Liability, Slip Trip, and Fall, Vehicle Accidents, Auto Accidents, Perception/Reaction Analysis, Driver Behavior, Distracted Driving, Motorcycle Accidents, Pedestrian/Bicycle Accidents, Night Vision and Lighting, Retail Safety, Workplace Safety
Expert in human factors and ergonomics with extensive experience testifying in motor vehicle accidents; product liability; and slip, trip, fall cases in state and federal courts. Retained by both plaintiff and defense attorneys. Specializes in forensic personal injury causation involving premises, product, vehicle, pedestrian, and workplace accidents. Human factors/ergonomics specialties include: Driver perception & behavior; Pedestrian perception & behavior; Perception response time; Night vision; Lighting, visibility & conspicuity; Slip, trip, misstep & fall (including falls from heights such as ladders & platforms); Product design & liability (including medical, consumer, industrial, agricultural); Human-machine interaction; Control/display layout; Warnings, signs & instructions. PhD in Experimental Psychology, Certified Professional Ergonomist, Certified XL Tribometrist, and OSHA authorized to teach 10 and 30 hr. courses in General Industry Safety. Designed and conducted human f...

Chuck J. Rylant, PsyD., MBA

Arroyo Grande, California
Police Practices & Procedures, Law Enf & Criminal Justice - Police use of force, law enforcement use of force, self defense, arrest and control, defensive tactics, human performance, human factors, strangulation, choke hold, attention, perception, response time, decision making, fight or flight, stress response, officer involved shooting, police shooting.
Dr. Chuck J. Rylant has 23 years of experience in the industry and is a court-experienced expert witness in use-of-force, self-defense, strangulation, human performance factors, and police tactics and training. He has a Doctor of Clinical Psychology; dissertation: Decisions Under Pressure: Psychological and Physiological Aspects of Police Use of Force. Dr. Rylant is a retired police officer/detective, S.W.A.T. member, and P.O.S.T. certified department firearms, baton, chemical agents, use of force, and arrest and control (ARCON) trainer. He is currently a police academy arrest and control (ARCON), use-of-force, and de-escalation instructor, as well as a certified advanced Force Science Specialist. Dr. Rylant is a Brazilian Jiu-Jitsu black belt instructor for law enforcement and civilians, as well as author of Shots Fired: The Psychology Behind Officer Involved Shootings.

Kenneth A. Solomon, Ph.D., P.E., Post Ph.D. Institute of Risk & Safety Analyses

Woodland Hills, California
Biomechanics, Accident Reconstruction - Human Factors, Animations, 3D Scans, Photometrics
Specialized forensic staff, broad range of consulting and expert testimony, 47 years of courtroom experience for Dr. Solomon, combined courtroom experience for company 334 person years. Accident reconstruction, biomechanics, human factors, safety, accident prevention, adequacy of warnings, computer animation and simulations, 3D scanning & photometric analyses, drone photography, construction defect, criminal defense, criminal prosecution, premises, product integrity, product liability, product testing, warnings, and lost income calculations. Auto, bicycle, bus, chair, elevator, escalator, forklift, gate, ladder, machinery, motorcycle, press, recreational equipment, roller coaster, slip/trip and fall, stairs, swimming pool, and truck. Litigation and claims, defense/plaintiff, educational seminars, and mediation and arbitration services.

Matthew J Hartley, BS, LC, MIES Matt Hartley Lighting, LLC

Arvada, Colorado
Engineering, Architecture - Lighting, Illumination, Interior Lighting, Street and Area Lighting, Control Systems, Light Fixture Construction, Lighting Installations, Premises Liability Lighting, Security Lighting, Insufficient Lighting, Accident Investigation Lighting, Human Factors
My involvement in the lighting industry started in 1995. In this time I have been immersed myself in different facets of the industry including indoor and outdoor lighting, safety and security, lighting and human health, and lighting standards. Since 1999 I have been involved with several standard writing committees within the Illuminating Engineering Society of North America producing over six standard documents. Teaching has been a part of my career since I began in the industry in 1995, teaching to diverse groups from high school students to seasoned lighting professionals. Having a diverse background has allowed me to produce lighting designs, verify compliance, calculations, and photometric and equipment verification in the office. However I have also had field experience with commissioning, field survey and verification, and troubleshooting of field designs and equipment issues. I am available nationwide for your witness needs.

David R. Lenorovitz, PhD, CPE LENPRO Services, Inc.

Littleton, Colorado
Human Factors, Warnings & Labels - Human Factors Engineering, Ergonomics, Hazard Analysis, Safety Procedures, Warnings, Warnings Adequacy, Warning Systems, Product Liability, Perception-Memory-Cognition, User Distractions/Diverted Attention, Task Analysis, Industrial Accidents
Dr. Lenorovitz is a Board Certified Ergonomist / Human Factors Professional with extensive experience in developing and applying knowledge regarding the ways in which human capabilities and limitations can materially effect a user's performance (i.e., success or failure) when interacting with a variety of products or equipment. He has performed HF-related work evaluating, designing, developing, and testing user-interactive-systems for a wide range of industrial, governmental, and individual clients. His forensic experience has included applying HF scientific principles, preparing analysis reports, providing expert opinions, and testifying in cases involving: hazard analysis; evaluating safety systems; assessing the necessity for and adequacy of warnings, instructions, operator manuals, work practices, & organizational procedures; addressing product design and product liability issues; and investigating incidents involving user distractions or diverted attention situations.

Athos C Macris A. C. Macris Consultants

Mystic, Connecticut
Human Factors, Ergonomics - Personal Injury, Product Liability, Safety analysis, Trip/slip and fall, Geriatric factors, Warnings & Labels, User interface/compatibility, Guarding/guard-railing, Product design analysis, Design Analysis, Task analysis, Human error analysis, Procedures and instructions compatibility
So what is Human Factors? Let us think about how people get hurt. Typically, people hurt themselves when they: • Misuse a product, • A product is poorly designed for the population it is intended to be marketed to, • People purposefully or unconsciously do not heed instructions warnings or directions, • Manufacturers take short cuts and in either design or manufacture of their products, or • People do not do what they are supposed to do in the context of making sure places where people work, travel and live are safe. I bet most of you are thinking – so what is the new news here? The news is that when people get hurt there are underlying reasons. Reasons that if corrected will prevent future injuries. A poorly designed or maintained stairway will most probably cause an injury, and if an elderly person, the chances are quite high that a serious injury will occur. We can demonstrate how the dynamics associated with ascending or descending a poorly configured stairway c...

Kristopher J. Seluga, M.S., PE Technology Associates, LLC

Stamford, Connecticut
Accident Reconstruction, Products Liability - Mechanical Engineering, Biomechanics, Automotive, Construction, Engineering, Failure Analysis, Forensic Science, Human Factors, Motorcycle, Premises Liability, Safety, Slip Trip & Fall
Our staff of experienced engineers are ready to apply established scientific and engineering knowledge and techniques to your case. Our staff has published hundreds of papers, served on national ANSI standards committees and assisted over 2,500 attorneys and insurance agents settle or try their cases. Because the laws of physics and principles of engineering are universal, we are able to investigate and opine on a wide range of topics including motor vehicle crashes, heavy machinery, consumer products, construction sites, falls and biomechanical analyses. In each case, we assist our clients by determining, in as much detail as possible, how and why an accident occurred and communicating those finding in a clear and concise manner.

Keith M. Cianfrani, Ed.D, (abd), MAS, CRSP Aviation Safety Consultants, LLC

The Villages, Florida
Aviation & Aerospace, Accident Reconstruction - Aviation Accident Investigation, Risk Management, Human Factors, Safety Management Systems (SMS), Aviation Safety Auditing,Flight Data Monitoring,
Keith M Cianfrani, Ed.D. (abd), MAS, CRSP, President/CEO, Aviation Safety Consultants, LLC is a company designed to assist the aviation community with precise and specific safety consulting. Our clients include insurance companies, Part 135 and Part 91 aviation operators, aviation flight schools, aircraft production companies, and law firms. Keith is a retired U.S. Army Lieutenant Colonel, the founder and owner, has over 35 years of aviation experience. He is a master army aviator, aviation safety officer, commercial pilot, instructor pilot and was an accident investigator for the U.S. Army Safety Center. He is rated in both rotary wing and fixed wing aircraft. As a safety officer, Keith has managed safety programs in organizations with over 100 aircraft stationed throughout 5 states. Keith is is an a safety and accident investigation instructor for Embry Riddle Aeronautical University. He also writes the Safety and Training Column for Rotor and Wing Magazine. Keith is a certified...

Bradley T Cook, PE Kimley-Horn

Sarasota, Florida
Automotive, Accident Reconstruction - Auto Accident, Accident Causation, Automotive Safety, Black Box Technology, Car Accident, Collision Analysis, Crash Data Retrieval, Failure Analysis, Forensic Engineering, Human Factors, Motorcycle, Occupational Safety, Premises Liability, Product Liability, Safety Engineering, Slip, Trip & Fall
Bradley is a registered professional engineer and consultant with extensive experience in accident reconstruction. He specializes in vehicular accident reconstruction and has investigated hundreds of vehicle accidents involving cars, trucks, pedestrians, bicyclists, motorcycles, etc. The investigations have involved issues of nighttime visibility, downloading of crash data (black box data), reaction time, and blind spots. He holds a Bachelor of Science in Mechanical Engineering from the University of Michigan and is currently pursuing a Masters of Science in Engineering with a concentration in Biomedical from Purdue University. Bradley has recently co-authored a chapter in Forensic Human Factors and Ergonomics: Case Studies and Analysis and Occupational Health and Safety Management in the Handbook of Human Factors & Ergonomics. He is also currently a committee member of the Underwriters Laboratories (UL) Standards Technical Panel (STP) 2201: Engine, Generator Requirements and t...

Daniel J. Hartwig, CSP, CIH General Health & Safety Services Corp.

Punta Gorda, Florida
Safety, Premises Liability - Slip, Trip & Fall, Personal Injury, Sidewalks and Speed Bumps, Stairs, Chemical Exposure, Noise, Product Liability, Machine Safety, Human Factors, Indoor Air Quality, Industrial Hygiene, Mold
Daniel Hartwig, CSP, CIH is President of General Health & Safety Services Corp. and has provided safety counsel and expert witness testimony throughout the United States for over 40 years from offices in Wisconsin and Florida. Because of the wide variety of clients served, he has experience in many environments including retail stores, hotels, homes, restaurants, manufacturing facilities, construction sites, hospitals and nursing homes, auto dealerships and many more. Being a premises safety expert, Mr. Hartwig performs investigations related to construction, operation, and maintenance of commercial premises, residential structures, and industrial facilities. The investigations involve site inspections and review of applicable standards. Based on the above information and review of the discovery material, he performs a root cause analysis of the accident, enabling him to provide a strong basis for his opinions. For product liability cases, he provides analysis of possible defects...

John D Lloyd, PhD, CPE

San Antonio, Florida
Biomechanics, Human Factors - human factors, accident reconstruction, motorcycle accident, motorcycle crash, auto accident, slip trip & fall, brain injury, head injury, TBI, helmet, helmet testing, motorcycle helmet, football helmet, ergonomics
John Lloyd, PhD, CPE has served as an expert witness for 25 years, providing testimony in biomechanics, human factors and accident reconstruction involving motorcycle, auto and trucking accidents as well as slips, trips & falls. Dr. Lloyd has been qualified to provide biomechanical analyses of various incidents, including: • Motorcycle Accidents • Automobile Accidents • Human Factors • Brain Injury • Motorcycle Helmet • Football Helmet • Slips Trips & Falls Dr. Lloyd earned a Ph.D. in Ergonomics (Human Factors Engineering) with a specialization in biomechanics from Loughborough University in England. He has practiced in the field of biomechanics for over 25 years, and has been board certified (CPE # 725) through the Board of Certification in Professional Ergonomics since 1995. He also holds numerous certifications in automobile and motorcycle accident reconstruction. Applicable professional memberships have included The Ergonomics Society, Human Factors and Ergonomics Society, A...

Adam K Aleksander, PhD, PE, CSP Aleksander & Associates P.A.

Boise, Idaho
Human Factors, Products Liability - Warnings, Labels, Reconstruction, Visibility, Failure Analysis, Forensic Engineering, Defects, Photogrammetry, Metallurgy, Human Factors, Ergonomics, Construction, OSHA, Safety Engineering, Product Liability, Equipment Failures, Industrial Accidents, Power Utility Accidents, Insurance Claims
Specific Cases: Go cart nip point fatality, washing machine amputation, amputations in punch presses, hydro-pneumatic tank explosion, agricultural truck amputation, airport conveyors, biscuit cutter, amusement rides, water-jet fatality, slips & trips, lead rope snap, exercise machine failures and injuries, document burn injuries, folding chair collapse, concrete anchor system, nail gun injury, prosthesis bolt failure, steam iron electrocution, pool light burn, design of warnings and instructions, ATV rollover, automotive failures and crash related phenomena, measurement of ECDs (TASER®) Farm equipment, failed engines, mining conveyors, power plant systems, belt conveyors, potato processing system, sewer line, tire shredder processing analysis, failed brake die, failed conveyor bearing, RV axle repair failure, trailer suspension system failure, trailer separation, dump truck telescoping cylinder failure, brake system, headlight filament analysis, service station gasoline tank leak, b...

Lee T. Ostrom, PhD, CSP, CPE

Idaho Falls, Idaho
Ergonomics, Human Factors - Ergonomics, Human Factors, Industrial Safety, Situational Awareness, Process Industry
He has performed human factors and ergonomic studies for the Nuclear Regulatory Commission, the Department of Energy, NASA, and the Department of Defense/US Navy. He has conducted hundreds of industrial ergonomic assessments and thousands of office ergonomic assessments. He has performed return to work studies for the construction and telecommunication industries. He worked as a safety engineer in the chemical industry. He analyzed accidents in the chemical, avaiation and nuclear industries. He has written expert opinion reports for ergonomic issues, a fireplace explosion, a human factors related case and a workplace design issue. He is a full professor, with numerous journal articles and conference proceedings. He has been invited to speak at numerous conferences and symposia. He has authored/co-authored four books. The most recent was: Ostrom, L.T., and Wilhelmsen, C.A., Risk Assessment Tools and Techniques and Their Application, John Wiley and Sons; second Edition, ...

Ralph V. Wilhelm, Ph.D. Wilhelm Associates, LLC

Carmel, Indiana
Automotive, Electronics - automotive electronic systems, safety systems, ADAS, infotainment, navigation, human factors, in car electronic systems, telematics, instrument clusters, center stack displays, sensors/transducers, GPS, diagnostics/prognostics, engine control, closed loop feedback systems, wireless devices, cameras.
Have worked continuously since 1971 in the automotive electronics field in multiple areas: Research & Development, applied engineering, product and manufacturing engineering, expert witness. Have worked in the laboratory inventing (three patents) and creating new sensors & coatings for automotive use, led small and large engineering groups & Departments, led technical R&D Division. Have worked for a vehicle manufacturer, captive suppliers, independent supplier, and for eighteen years as an independent automotive electronic consultant working directly with automotive suppliers. Fields we have worked directly in or supervised include: sensors, autonomous,, coating technique invention for high volume production, automotive specific head up displays, flat panel displays, instrument clusters, GPS, navigation systems, telematics systems, forward looking radar & camera systems for detection, warning, and avoidance, object detection for vehicle sides and rear backup, night vision syste...

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

Ann Arbor, Michigan
Engineering, Warnings & Labels - Accident Reconstruction, Agriculture, Automotive, Chemical Hazards (Asbestos, Diacetyl, etc.), Explosions, Electrical, Environmental, Hazard Communication, Human Factors, Instructions, Labels, Warnings, OSHA, Premise Liability, Product Liability, Vapes and E-cigarettes, Battery Fires, Child Safety
Dr. Miller is an Emeritus Professor at the University of Michigan and a registered professional engineer and consultant with over 35 years of experience as an expert witness. He specializes in warnings, labeling, and instruction manuals, consumer product design, process safety, explosions and fire science, chemical hazards (diacetyl, asbestos, benzene, etc.), machine guarding, vehicle visibility, tractor egress/ingress, slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), and compliance with safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.) Miller Engineering also has a staff with degrees in the Mechanical, Chemical, Agricultural, Industrial, and Human Factors fields of engineering. Recently, Dr. Miller has been handling cases involving battery fires, particularly with respect to e-cigarettes, vaporizers, or "vapes". Dr. Miller has authored a chapter titled "Hazard Communication and Right-to-Know: Regulatory Issues" in the Safety Enginee...

George B Page, BSE, MSE, CPE Page Engineering, Inc.

Jackson, Michigan
Human Factors, Safety - Ergonomics, Health and Safety, Industrial Hygiene, Physical Demands Assessments, Usability Testing, Accident Reconstruction, Biomechanical Modeling, Vibration Measurement, Compliance, Occupational Risk Management, Return to Work, Regulatory and Consensus Standard Initiatives
Page Engineering is a professional consulting firm that combines Ergonomics, Industrial Engineering, and Health and Safety expertise. We have served industry leaders in the areas of Transportation, Shipping, Manufacturing, and Health Care throughout North America. Our approach is bolstered by years of litigation scrutiny and backed by extensive application of ergonomics, human factors, epidemiologic, and occupational medical scientific literature. We specialize in human factors and ergonomics assessments, including both acute and cumulative exposures. George Page is a Certified Professional Ergonomist. He earned his MSE in Industrial and Operations Engineering (Ergonomics) from the University of Michigan. George is also a Ph.D. candidate at the University of Michigan in Industrial and Operations Engineering (Ergonomics). The topic of his dissertation is: “Functional grip strength: conceptual and empirical models of biomechanical, perceptual, and tribological factors.” In the 1980s...

Daniel S Holmes

Eagle Lake, Minnesota
Accident Reconstruction - Accident investigation, accident reconstruction, air bag, CDR, EDR, time distance, speed, vehicle inspection, bicycle, commercial vehicle, motorcycle crash, pedestrian, scene photography, aerial photography, drone, occupant kinematics, human factors, sight lines, vehicle equipment, tire failure
My name is Daniel Holmes and I am retired from the Minnesota State Patrol with nearly 27 years of experience. While working for the Minnesota State Patrol I reconstructed over 170 serious or fatal crashes. I have also investigated over 1,500 motor vehicle crashes that did not rise to the level of requiring a crash reconstruction. In 2015, I was awarded the Minnesota State Patrol Award of Excellence in Crash Reconstruction for my work. I am A.C.T.A.R. ( National Accreditation Commission for Traffic Accident Reconstruction) certified. I am trained as a C.D.R. ( Crash Data Recorder) analyst-technician and have the ability to image and analyze the airbag data from supported vehicles. I am a Forensic Mappist and have the ability to generate scaled diagrams from a scene or use mapping data obtained from Law Enforcement. I am also trained in Occupant Kinematics, and have reconstructed several pedestrian/bicycle accidents along with commercial vehicle crashes. I have a drone license...

Christopher E. Janson, MS, CSP, CHMM Haines, Janson & Associates LLC

St. Louis, Missouri
Safety, Premises Liability - Engineering, Products Liability, Slip, Trip & Fall, Retail Safety, Equipment & Machinery, Human Factors, Slip Resistance, Accident Investigation/Reconstruction, OSHA, Guarding, Failure Analysis, Construction, Industrial & Premises Accidents
Haines, Janson & Associates provides safety and risk management consulting services. Christopher E. Janson, Board Certified Safety Professional (CSP); Certified Hazardous Materials Manager (CHMM); Certified User of the English XL slip resistance measuring device (CXLT). Mr. Janson has held safety management positions with several Fortune 500 companies. He has also worked with a variety of firms as a consultant for the insurance industry. Mr. Janson is a professional member of the American Society of Safety Engineers.

C.J. Abraham, PhD, P.E., DPE, JD, FRSC, FTI, DEE, IH

Great Neck, New York
Products Liability, Slip Trip & Fall - Athletics & Recreation, Safety, Safety Engineering, Warnings & Labels, Industrial Hygiene, OSHA, Risk Analysis, Biomechanics, Engineering, Fires, Explosions, Human Factors, Brain Injuries, Personal Injury, Trampolines, Amusement Parks, Water Parks, Playground Accidents
Dr. Abraham is a licensed P.E. and a Senior Member and a Diplomat in The National Academy of Forensic Engineers. Over the last 45 years, C. J. Abraham has created warnings and instructions for many products and protocols applied and used worldwide. He has consulted to major news channels, NHTSA, OSHA, NIOSH, State of California (CaITrans), Microsoft, New York Transit, Queensborough Bridge Authority, Department of Agriculture, the Federal Government, State Attorney General's Offices, and municipalities throughout the United States, Canada and Europe in a variety of technical areas. His interests include head and brain protection in sports and recreation and personal injury accidents and litigations. In addition, he is also involved in the reconstruction of all types of sports injuries in a large variety of recreational and sports activities, amusement and trampoline facilities, as well as accidents involving a variety of products and vehicles. His background may be found at www...

Kristopher J. Seluga, M.S., PE Technology Associates, LLC

New York
Accident Reconstruction, Products Liability - Mechanical Engineering, Biomechanics, Automotive, Construction, Engineering, Failure Analysis, Forensic Science, Human Factors, Motorcycle, Premises Liability, Safety, Slip Trip & Fall
Our staff of experienced engineers are ready to apply established scientific and engineering knowledge and techniques to your case. Our staff has published hundreds of papers, served on national ANSI standards committees and assisted over 2,500 attorneys and insurance agents settle or try their cases. Because the laws of physics and principles of engineering are universal, we are able to investigate and opine on a wide range of topics including motor vehicle crashes, heavy machinery, consumer products, construction sites, falls and biomechanical analyses. In each case, we assist our clients by determining, in as much detail as possible, how and why an accident occurred and communicating those finding in a clear and concise manner.

Kevin A Rider, PhD, PE, CPE Forensic Human Factors, LLC

Columbus, Ohio
Human Factors, Engineering - Distracted driving, Driving behavior, Reconstruction, Biomechanics, Maritime, Manufacturing, Mining, OSHA, Premises Liability, Products Liability, Safety, Slips, Trips, Falls, Transportation, Warnings, Conspicuity, Cell phones, Texting, Lighting, Perception, Visibility, Instructions, Human Factors
Dr. Kevin Rider is a human factors expert and owner of Forensic Human Factors, LLC, providing investigations, reports and expert testimony for personal injury cases – plaintiff and defense. His expertise involves investigating how people interact with other people, products and environments in predictable ways, and applying this understanding to effective, efficient and safe products, services and systems. He has been retained as an expert in more than 40 states (+ Puerto Rico). Dr. Rider’s expertise includes: • MVAs and pedestrian collisions, incl. trucks, trains, buses, motor/bicycles • Illumination, nighttime visibility, and conspicuity • DUI/DWIs, where intoxication was not a proximate cause of crash • Adequacy of product designs and warnings • The design and maintenance of safe civil and occupational environments • Premises liability, and slips, trips and falls • Workplace and construction safety Dr. Rider is a Professional Engineer (PE), a Certified Professional Ergonomi...

Helen Zienkievicz, APRN-CNP Cabin Safety Consultants

Moore, Oklahoma
Aviation & Aerospace, Safety - Air Carrier Access Act, Flight Attendant Emergency Procedures, Training and Program Development, Investigation of Inflight Cabin Emergencies; medical incidents, turbulence, evacuations, fire, etc., Passenger/Cabin Crew Illness/Injury, Threat Error Management, Safety Management Systems, Human Factors
Expert witness, consultant, program developer, trainer and internationally recognized speaker on commercial airline flight attendant and gate personnel training, performance, safety and FAA regulatory compliance. More than 40 years of experience in the commercial aviation industry; holding such positions as: Manager of Health, Safety and Security for Inflight Division, Senior Inflight Safety Investigator, Emergency Procedures Instructor for pilots and flight attendants, Station Manager, flight attendant and customer service supervisor. Other aviation roles included Chairperson of an FAA supported Aviation Safety Action Program for flight attendants, member of the Air Transport Association (A4A)Cabin Operations Committee and co-developer of Passenger Incident Review Committee process for a major global airline. Has provided expert witness, consultation services, reports and testimony for both plaintiff and defense cases and spoken at several Annual World Aviation Training Symposiums,...

Sauvik Das, PhD

Pittsburgh, Pennsylvania
Cybersecurity, Human Factors - Privacy, Privacy by Design, Consumer Safety, User Experience Research, iOS, Android, Artificial Intelligence, Machine Learning, Ethics, Social Network Analysis, Social Media, Data Science, Cryptocurrency, Blockchain, Distributed Ledger, Human-Computer Interaction
I am a professor of Interactive Computing at Georgia Tech's College of Computing (a top 10 department in computer science). Prior to that, I got my Ph.D. in Human-Computer Interaction at Carnegie Mellon University (from the #1 ranked computer science department in the country). I have previously worked as a researcher and technologist at Facebook, Google and Microsoft, as well as at a small technology start-up company. I direct the GT SPUD (Security, Privacy, Usability and Design) Lab. Our work, at the intersection of HCI, data science and cybersecurity, is oriented around answering two questions: (i) How can we design systems that encourage better cybersecurity and privacy behaviors? (ii) How can we design systems that shift power away from surveillance institutions and back into the hands of end-users? I've given talks on my research both USENIX Enigma and RSA — both premier venues for cybersecurity professionals — in addition to many top universities: e.g., Stanford, Princeton...

Jahan Rasty, PhD, PE, MBA Real-World Forensic Engineering, LLC

Lubbock, Texas
Engineering, Metallurgy - Failure Analysis, Accident Reconstruction, Slip, Trip & Fall, Products Liability, Human Factors, Intellectual Property, Forensic Science, Fire, Equipment & Machinery, Electricity, Biomechanics, Premises Liability
Jahan Rasty, PhD, PE, MBA is a tenured full professor of Mechanical Engineering at Texas Tech University (since 1988) where he also serves as the Director of newly established post-graduate Forensic Engineering Certificate Program, as well as the director of Materials Performance Characterization and Failure Analysis Laboratory. Dr. Rasty is also the founding president of Real-World Forensic Engineering, LLC, which is a boutique-style engineering consulting firm. He is an experienced engineering expert and has successfully testified in more than 250 cases and has conducted over 1,000 engineering investigations in the areas of consumer products and industrial machinery failures involving design, manufacturing and marketing defect issues. Professor Rasty is a licensed professional engineer in the state of Texas, and holds various forensic certifications in the fields of fire and explosion investigation (CFEI, CFII), as well as vehicle Crash Data Retrieval (CDR). He received his BS,...

Deborah E Dickerson, PhD CIH CSP Dickerson Consulting LLC

Blacksburg, Virginia
Safety, Industrial Hygiene - Occupational injury, Occupational Illness, Product Liability, Premises Liability, OSHA, Worker's Compensation, Human Factors, Equipment Design, Respiratory Protection, Respiratory Illness, Chemical Exposures, Dust, Asbestos, Silica, Lead
I am an associate professor of safety engineering and human factors engineering and the Director of the Healthy Work Design Laboratory in the Grado Department of Industrial and Systems Engineering at Virginia Tech in Blacksburg, VA. I hold MS and PhD degrees in human factors/safety engineering and the certified safety professional (CSP) and certified industrial hygienist (CIH) credentials. I have over 25 years of experience in the fields of industrial hygiene and safety engineering: conducting incident investigations and designing safe work systems. From 1996 to 2007, I led a compliance organization responsible for conducting investigations and ensuring compliance with safety and health standards. I have 21 years of university teaching experience and have taught courses on occupational safety, industrial hygiene, designing for hazard control, risk control, and human factors engineering. My expertise is in the control of occupational health hazards and Prevention through Desi...

Craig Rosenberg, PhD User Interface Expert Witness

Seattle, Washington
Human Factors, Software Engineering - user interface, user interface design, mobile software, smartphones, software, software engineering, software architecture, virtual reality, augmented reality, GPS, human factors, display design, virtual environments, augmented environments, systems engineering, simulation, software development, UI
Dr. Rosenberg has testified at 6 trials in both state and federal courts, before the USPTO, at Markman hearings and at 35 depositions. Dr. Craig Rosenberg is a highly experienced expert witness, human factors engineer, user interface designer, software engineer with extensive expert witness experience specializing in user interface design and human factors issues for embedded, mobile, web, desktop, and server software working for a wide range of Fortune 500 companies including Google, Samsung, Amazon, Boeing, Disney, IBM, Nintendo, Dell, Huawei, LG, Ericsson, AT&T, Motorola, HTC, Mattel, and many others. He been retained as an expert witness over 95 times for both plaintiff and defense assisting clients in intellectual property cases in the areas of user interface, software design and architecture, and human factors for mobile, web, desktop, embedded, and server environments. Dr. Rosenberg specializes in software engineering, user interface design, information architecture, user...
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