Drug Testing Expert Witnesses

Drug testing expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on drug testing. The drug testing expert witness listings on this page are typically from fields/areas of expertise such as: Addiction Medicine, Cannabis, Emergency Medical Toxicology, Emergency Medicine, Employment, Life Care Planning, Medical Management, Occupational Medicine, Pharmacology- Clinical, Psychiatry, and Toxicology.

Michael J Kosnett, MD, MPH, FACMT

California
Toxicology, Occupational Medicine - Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, arsenic poisoning, forensic toxicology, DUI,, risk assessment, aviation toxicology, medical monitoring
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition of “extraordinary contributions to the field of medical toxicology”] Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology Active Medical Licensure in Colorado and California Professional activities have included: • Past President, American College of Medical Toxicology • Committee on Toxicology of the National Academy of Sciences • NIOSH Board of Scientific Counselors • CDC Advisory Committee on Childhood Lead Poisoning Prevention • EPA Science Advisory Board panels (lead in air, water, dust) • ATSDR expert panels (lead biomonitoring, hair analysis) • WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals) • Consultant to US Air Force Science Advisory Board (F-22) • Consultant to the US Navy Naval Air Systems Command (F-18) • US Army Public Health Command (c...

Michael J Kosnett, MD, MPH, FACMT

Denver, Colorado
Toxicology, Occupational Medicine - Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, arsenic poisoning, forensic toxicology, DUI,, risk assessment, aviation toxicology, medical monitoring
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition of “extraordinary contributions to the field of medical toxicology”] Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology Active Medical Licensure in Colorado and California Professional activities have included: • Past President, American College of Medical Toxicology • Committee on Toxicology of the National Academy of Sciences • NIOSH Board of Scientific Counselors • CDC Advisory Committee on Childhood Lead Poisoning Prevention • EPA Science Advisory Board panels (lead in air, water, dust) • ATSDR expert panels (lead biomonitoring, hair analysis) • WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals) • Consultant to US Air Force Science Advisory Board (F-22) • Consultant to the US Navy Naval Air Systems Command (F-18) • US Army Public Health Command (c...

Leon M Gussow, MD

Chicago, Illinois
Toxicology, Emergency Medical Toxicology - Alcohol, Poisoning, opiates, opioids, Marijuana, Overdose, Cannabinoids, cannabis, intoxication, Drug Screening, Dram Shop, Drug Testing, Carbon Monoxide
Over 20 years experience providing consultation and expert witness testimony in cases involving topics including alcohol, marijuana, carbon monoxide, adverse drug effects, drug tests, and urine drug screens. Extensive teaching experience with the Toxikon Consortium Medical Toxicology Fellowship Program in Chicago. Fellow, American College of Medical Toxicology; Board Certified in Emergency Medicine and Internal Medicine; Medical Consultant, Illinois Poison Control Center; Peer Reviewer, Clinical Toxicology; Peer Reviewer, Journal of Medical Toxicology; Peer Review, Emergency Medicine Journal; Peer Reviewer, Cleveland Clinic Journal of Medicine.

Ronald Himmelman, MD

Glencoe, Illinois
Emergency Medicine, Emergency Medical Toxicology - Stroke, sepsis, myocardial infarction, infections, trauma, medication side effects, drug testing, alcohol issues, intoxication, prison and jail medicine
I am Board-Certified in Internal Medicine as well, yet have exclusively practiced Emergency Medicine for the past 35 years, first in a county hospital setting, followed by working in a few private hospitals, where I practice presently. I am Board -Certified in Emergency Medicine since 1988 and have been recertified every 10 years since then, with the latest coming just two months ago. In addition, I have been Board-Certified in Medical Toxicology.

Robert B Swotinsky, MD, MPH

Sudbury, Massachusetts
Occupational Medicine, Toxicology - Drug testing, drug test, drug screening, drug screen, alcohol testing, alcohol test, toxicology, medical review officer, MRO, toxicology, impairment, disability, DOT physicals, DOT exams, occupational medicine, occupational health, truck driver.
My reports are clear, detailed, well-organized, well-referenced, and timely. Qualifications include: board certified in occupational medicine. Certified medical review officer (MRO), FMCSA (NRCME) Medical Examiner and trainer, and (former) FAA Medical Examiner. Fellow of American College of Occupational and Environmental Medicine (ACOEM) and awarded the 2018 ACOEM Achievement in Occupational Medicine Award. Assistant Professor, U Mass Medical School. Former residency director for occupational medicine training program. Written books and written/given numerous educational programs to physician and other groups about drug and alcohol testing, and about DOT physicals (commercial motor vehicle driver exams). From 1995 - 2002, wrote "MRO Update" national newsletter for physicians. Have taught supervisors about reasonable suspicion determinations. Consultant to federal agencies on medical standards for truck drivers and on workplace drug and alcohol testing programs. Consultant t...

Timothy C. Egan, SPHR Coalition Resources Group

New Mexico
Employment, Medical Management - Human resources, HR, healthcare, hospitals, employee relations, hiring, labor relations, union avoidance, background checks, investigations, drug testing, sexual harassment, termination, collective bargaining agreement, discipline, workplace violence, HIPAA, performance evaluation, FMLA, ADA, WC
Executive-level human resources leader. 35+ years of experience in employee and labor relations, as well mediation conflict resolution, employee training development, and resource allocation assessments. Special experience in healthcare human resources. 13-year Marine Corps veteran, including Gulf War. Experience also includes RIFs, Layoffs, Reduction in Force, Leave of Absence, Reasonable Accommodations, Interactive Meetings, Americans with Disabilities Act, and Job Descriptions.

Shannon C. Miller, MD, DFASAM, DFAPA, NCTTP Forensic Addiction & Psychiatric Services, LLC

Cincinnati, Ohio
Addiction Medicine, Psychiatry - Alcohol, Drugs, Gambling, Nicotine, Substance Use Disorder, Drug Testing, Detoxification, Intoxication, Drug Withdrawal, Addiction, Drug Abuse, Overdose
“FREE INITIAL CONSULTATION. Updated CV available at www.forensicaddictions.com. Consultation on issues relating to alcohol/drug use, addiction, gambling, etc. Active clinical practice for over 2 decades in Addiction Medicine, broadly experienced. Board Certified in Addiction Medicine, as well as Psychiatry. Distinguished Fellow, American Society of Addiction Medicine, and the American Psychiatric Association. Editor for major national Addiction Medicine textbook and medical journal. Roughly 60 scholarly medical publications. Co-Chair for major national Addiction Medicine medical conferences. Awards for clinical practice, teaching, research, military service. Opinions sought by Dateline NBC News, Pravda, U.S. News & World Report, etc. 20 years of service as a United States Air Force Officer; earned the Meritorious Service Medal twice, deployed in support of Operation Enduring Freedom. Certified in Buprenorphine treatment, and tobacco treatment. Previously deemed by the courts as an e...

Garson M Caruso, MD, MPH, CLCP, CMLE Garson M. Caruso MD, MPH, PA

Mechanicsburg, Pennsylvania
Occupational Medicine, Life Care Planning - Custom Life Expectancy Determination, Physician Life Care Planning, Impairment Evaluation, Disability Evaluation, Workers Compensation, Drug Testing, Medical Review Officer (MRO), Fitness for Duty, Medical Direction, Onsite Worker Health and Wellness Clinics, Physician Extender Supervision
• Board Certified Occupational Medicine Physician and Certified Life Care Planner with expertise in Custom/Individualized Life Expectancy Determination • MPH at Johns Hopkins Bloomberg School of Public Health; Occupational Medicine Residency at University of Pennsylvania; Additional training at American Academy of Insurance Medicine • Fellow, American College of Occupational and Environmental Medicine (ACOEM) and International Academy of Independent Medical Evaluators (IAIME) • Broad background in consulting, medical direction, and occupational health services for organizations including AmTrust North America, Bechtel, Bell & Evans, Dean Foods, Johns Hopkins Medical Institutions, Lockheed Martin, The New York Transit Authority, PepsiCo, Service Employees International Union, and the US Department of State and Federal Motor Carrier Safety Administration • Extensive experience with supervision of physician extenders (nurse practitioners and physician assistants) in onsite occupational...

Allison A. Muller, Pharm.D, D.ABAT, FAACT Acri Muller Consulting, LLC

Aston, Pennsylvania
Toxicology, Pharmacology- Clinical - opioids, carbon monoxide, marijuana, impairment, DUI, drugs, medication errors, overdose, postmortem toxicology, toxicity, medications, drug testing
Board-certified toxicologist. Fellow of the American Academy of Clinical Toxicology. Registered pharmacist. Over 20 years’ experience in the field of clinical toxicology. Two decades as a clinical toxicologist and managing director at the Poison Control Center at The Children’s Hospital of Philadelphia, consulting on toxicology cases from 21 counties in Pennsylvania and Delaware. Expert witness experience has involved cases related to alcohol, drugs of abuse (ie, opioids, marijuana, synthetic cannabinoids, cocaine), carbon monoxide, medication errors, and postmortem toxicology. Extensive teaching experience at the University of Pennsylvania School of Veterinary Medicine.

Rachna Patel, DO Dr. Rachna Patel, INC.

Pierre, South Dakota
Cannabis - Cannabis, Cannabinoid Medicine, THC, CBD, Marijuana, Hemp, Drug Testing, Toxicology, Impairment, Employment Termination
I am a Medical Cannabis Expert Physician (Cannabinoid Medicine Specialist Doctor). I've treated thousands of patients with marijuana derived and hemp derived CBD products since 2012. I've published a book in partnership with Penguin Random House titled - The CBD Oil Solution: Treat Chronic Pain, Anxiety, Insomnia, and more without the High - which has sold more than 30,000 copies. The book dives into the nuances of how to select high quality CBD products. It walks readers through how to read Certificates of Analysis for hemp derived CBD products and the specifics of what to watch out for when it comes to CBD and THC potency, pesticides, microbial contaminants, heavy metals, and residual solvents. I've given lectures throughout the United States to colleagues at conferences as well as medical residents and medical students about prescription and non-prescription cannabinoids, like CBD and THC, as well as the differences between marijuana and hemp, and so much more. I have also se...

Timothy C. Egan, SPHR Coalition Resources Group

Horizon City, Texas
Employment, Medical Management - Human resources, HR, healthcare, hospitals, employee relations, hiring, labor relations, union avoidance, background checks, investigations, drug testing, sexual harassment, termination, collective bargaining agreement, discipline, workplace violence, HIPAA, performance evaluation, FMLA, ADA, WC
Executive-level human resources leader. 35+ years of experience in employee and labor relations, as well mediation conflict resolution, employee training development, and resource allocation assessments. Special experience in healthcare human resources. 13-year Marine Corps veteran, including Gulf War. Experience also includes RIFs, Layoffs, Reduction in Force, Leave of Absence, Reasonable Accommodations, Interactive Meetings, Americans with Disabilities Act, and Job Descriptions.