Alcohol, Drug & DUI Testing Expert Witnesses

Accident Reconstruction & Safety Expert Witness Listings

You will find consultants on a wide range of alcohol, drug, & DUI testing topics by clicking on the following links. The professionals found through this page may opine regarding DUI, DWI, and D.U.I. These experts may provide reports concerning intoxication, drinking and driving, and alcohol testing. Consultants found here may also provide expert witness testimony regarding DUI offenses, driver impairment, and DUI analysis.

You may limit your search for Alcohol, Drug & DUI Testing expert witnesses to a specific area by selecting a state from the drop down box.

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Expert Witnesses

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Featured Experts
Okorie Okorocha, M.S., M.S., ESQ. (Forensic Analysis and Independent Review)

Okorie Okorocha, M.S., M.S., ESQ. (Forensic Analysis and Independent Review)

Qualified as an expert witness over 3000 times, in 40 different jurisdictions. Areas of inquiry include blood testing, breath testing, urine testing, blood ethanol, blood drug, urine ethanol, urine drug, post mortem blood alcohol, post mortem blood drug,... Learn More ›

John Penek, MD, FCCP, FAASM (Pulmonary & Sleep Disorders)

John Penek, MD, FCCP, FAASM (Pulmonary & Sleep Disorders)

Board Certified in Internal Medicine & Pulmonary Diseases with double Board Certification in Sleep medicine with more than 30 years of medical practice and 25 years of expert witness work. He has rendered opinions on a broad spectrum of respiratory disorders... Learn More ›

Daniel W. Vomhof, Ph.D. (Expert Witness Services, Inc.)

Daniel W. Vomhof, Ph.D. (Expert Witness Services, Inc.)

Dr. Vomhof is a ACTAR certified accident reconstructionist, with experience in auto, bicycle, pedestrian and motorcycle collisions, Human Factors, biomechanics, safety, labeling, product failure, and questioned documents. His mission is to provide an... Learn More ›

William R Sawyer, Ph.D., D-ABFM (Toxicology Consultants & Assessment Specialists, LLC)

William R Sawyer, Ph.D., D-ABFM (Toxicology Consultants & Assessment Specialists, LLC)

Dr. William R. Sawyer is a professional toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He is a diplomate of the American Board of Forensic Medicine and has over 29 years of extensive experience in public health... Learn More ›

James C Norris (Norris Consulting Services)

Location: Arkansas
Areas of Expertise: Dr. Norris has training in both pharmacology and toxicology and has been practicing for over 20 years. He has provided testimony to governmental agencies, served as an industrial site crisis team member,...

John H. Fullerton, MD, MRO, CMD, CFP, FACP, AGSF, FAAHPM, FASAM (Hampton Health, Ltd.™)

Location: California
Areas of Expertise: Dr. John H. Fullerton has been a full-time primary care practitioner (with mid-level practitioners) and a clinical educator for more than 26 years with active medical licenses in CA and FL. He is Board...

William J. Closson (William J. Closson, PhD)

Location: New York
Areas of Expertise:

Lawrence W Masten, PhD, DABT (Board Certified Toxicologist)

Location: Florida
Areas of Expertise: Dr. Lawrence Masten has over 40 years experience as a toxicologist. He received a PhD in Toxicology from the University of Michigan, a 2-year NIH postdoctoral in drug toxicology from the Univeristy of...

Patricia Enriquez (NYC Expert Disability Associates, LLC)

Location: New York
Areas of Expertise: Broadly experienced vocational rehabilitation professional with knowledge of evaluation and job placement of individuals with disabilities. Liability examinations, vocational and academic evaluations,...

ForensisGroup, Inc. (The Expert of Experts)

Location: Multiple Locations
Areas of Expertise: For over 20 years, ForensisGroup has provided the nation’s top law firms, insurance agencies, government entities and many other industries with highly qualified expert witnesses and consultants. Experts...

Edward G. Brown (Expert Chemistry Services)

Location: North Carolina
Areas of Expertise: Dr. Brown has over twenty years of experience as an organic chemist and medicinal chemistry expert. He earned his B.S. degree from the University of California, Berkeley and his Ph.D. from the University...

Zachary Ginsberg (Zachary Ginsberg Consulting, LLC)

Location: Ohio
Areas of Expertise: Highly trained at taking care of very sick patients. One of only a small number of physicians who is Board Certified in both Emergency Medicine and Surgical Critical Care Medicine. Educated at Brown and...

Robert C. Sugarman, PE (RCS Performance Systems, Inc.)

Location: New York
Areas of Expertise: Personal injury analyst. BA, MS, SM, PhD in physics & psychology (including MIT); 40 yrs R&D, teaching, trial testimony, industrial training, 'in the trenches'. Perception, vision, warnings, equipment/product...

Merrill M. Mitler (Forensic Examination)

Location: Maryland
Areas of Expertise: I am a forensic examiner and expert in the physiology of sleep and fatigue. I have over 20 years of experience consulting on and testifying in cases in which driver or worker fatigue was alleged to be...

Robert B Swotinsky (Robert Swotinsky, MD, MPH)

Location: Massachusetts
Areas of Expertise: Dr. Swotinsky is an occupational medicine physician in Metrowest Massachusetts. His areas of expertise includes drug and alcohol testing and impairment/safety including driving under the influence/drugs...

Jennifer L'Hommedieu Stankus, MD, JD, FACEP (Comprehensive Medical Legal Consultants, LLC)

Location: Washington
Areas of Expertise: Dr. Jennifer L'Hommedieu Stankus, MD, JD, FACEP is a national leader in emergency medicine. She works as a clinical faculty physician in the emergency medicine residency program at Madigan Army Medical...

Consolidated Consultants

Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...

Matthew C Lee, MD, RPh, MS (eLEEte Physicians, LLC)

Location: Virginia
Areas of Expertise: Dr. Lee assists Attorneys and Legal Nurse Consultants with Medical, Pharmacy, Pharmacology and Toxicology cases. He performs this service for clients by conducting thorough reviews of case documentation,...

Ernest P. Chiodo, M.D., M.S., M.B.A., J.D., M.P.H., C.I.H. (South Florida Mold & Toxicology Center)

Location: Florida
Areas of Expertise: South Florida Mold and Toxicology Center provides evaluation and forensic consultation concerning mold and toxicology exposure issues. The forensic toxicology services are provided by Ernest P. Chiodo,...

Vedoster Ingram, BS, MS, PhM (VINGRAM Enterprises Ltd.)

Location: District of Columbia
Areas of Expertise: The chemist, Vedoster Ingram, has PhM, MS, and BS degrees in Chemistry. A unique procedure has been developed that promotes balanced advocacy in the adjudication of drug cases without actually testing...

Harvey M. Cohen, Ph.D., C.I.H. (Cambridge Technical Associates)

Location: Massachusetts
Areas of Expertise: Dr. Cohen is an Ph.D Chemist and Certified Industrial Hygienist, who consults and testifies regarding Chemistry, Adverse Chemical Effects, DWI, Liquor Liability, Dram Shop, Alcohol Toxicology and Effects,...

The Kupiec Group

Location: Oklahoma
Areas of Expertise: Thomas C. Kupiec, Ph.D. and Philip Kemp, Ph.D. have over 50 cumulative years experience as experts in the fields of forensic toxicology and pharmaceutical sciences. Drs Kupiec and Kemp have significant...

Steven L. Duckor, M.D., F.A.C.G.

Location: California
Areas of Expertise: Steven L. Duckor, M.D. is a Gastroenterologist. He is a Diplomate with the American Board of Addiction Medicine, Certified Addictionologist with American Society on Alcoholism and Other Drug Dependencies...

Harry A. Milman, Ph.D. (ToxNetwork.com)

Location: Maryland
Areas of Expertise: Harry A. Milman, Ph.D. is an international authority in Toxicology, Carcinogenesis, Pharmacology, and Pharmacy and a noted author of "A Death at Camp David" with over 40 years of experience at the US National...

Mark Willingham, Ph.D. (Alcohol Solutions LLC)

Location: Florida
Areas of Expertise: Alcohol Solutions, LLC and Maj. Mark Willingham provide litigation support, forensic consulting, and expert witness services in Dram Shop cases, Alcohol-Related Injury and Death cases, and other matters...

Michael J. McCabe, Jr., PhD (Robson Forensic Inc.)

Location: Multiple Locations
Areas of Expertise: Toxicology Expert – Toxicologist Michael is an internationally-trained and nationally-recognized scientist with both research and teaching experience. He has a broad-based background in toxicology with...

Tim Gravette (Gravette Consulting LLC)

Location: Louisiana
Areas of Expertise: Tim Gravette is a retired Associate Warden with the Federal Bureau of Prisons with 20 years of experience. He has worked in eight different facilities which included all security levels with two being...

Nelhs Betancourt (OccMed, Inc.)

Location: California
Areas of Expertise: Nelhs Betancourt, MD, MPH is an academically trained Occupational Medicine specialist with a very strong technical biochemistry background and board certification in Internal Medicine. He is also board...

Gregory D. Lee (Gregory D. Lee, Inc.)

Location: Washington
Areas of Expertise: Located in both Washington State and Central California, Gregory D. Lee is a retired Supervisory Special Agent for the U.S. Drug Enforcement Administration (DEA), and is a former instructor at the FBI...

Richard A. Parent, PhD, DABT, RAC, FATS, ERT (Consultox, Ltd.)

Location: Maine
Areas of Expertise: Dr. Richard Parent is certified in toxicology by the American Board of Toxicology and the Academy of Toxicological Sciences and has been providing litigation support to both plaintiff and defense since...

Joseph D Jolson (Custom Client Solutions)

Location: Pennsylvania
Areas of Expertise: Dr. Joseph D. Jolson has a Ph.D. in analytical chemistry and over 30 years of experience including the development, testing, and use of a wide variety of batteries, gas detectors, and respirators. Through...

Esam Z. Dajani (IDDC Corporation)

Location: Illinois
Areas of Expertise: Expertise: Clinical Pharmacology, Toxicology, Drug Development and Regulatory Affairs. The scope of Professor Dajani expert witness experience includes pharmaceutical patent litigations, drug injury causations,...

Shannon C. Miller, M.D., FASAM, DFAPA, CTTS (Forensic Addiction & Psychiatric Services, L.L.C.)

Location: Ohio
Areas of Expertise: Credentials: • Board Certification in Addiction Medicine, American Board of Addiction Medicine • Board Certification in Psychiatry, American Psychiatric Association • Certified Tobacco Treatment Specialist...

Gregory D Zavatsky (Gregory Zavatsky&Associates LLC)

Location: California
Areas of Expertise: Mr. Zavatsky is a Forensic and Clinical Toxicologist, with experience in DUI, alcohol, drugs of abuse, and prescription drugs to determine the effect on human performance and behavior in different types...

William A. Cox (Forensic Pathologist/Neuropathologist)

Location: Pennsylvania
Areas of Expertise: I am a Forensic Pathologist and Neuropathologist with 4 Boards, Anatomic and Clinical Pathology, Forensic Pathology and Neuropathology, and 36 years of experience. I have served as a Director of a Pathology...

John Vasiliades, PhD, DABFT, DABCC (Toxicology Laboratories, Inc.)

Location: Nebraska
Areas of Expertise: Toxicology Laboratories, Inc. (“TLI”) is an Omaha, Nebraska based forensic toxicology consulting services practice, providing toxicology consulting services in forensic, clinical, and general toxicology....

Michael J. Whitekus PhD (Robson Forensic)

Location: Multiple Locations
Areas of Expertise: Dr. Michael Whitekus is a toxicologist with expertise and experience in the fields of alcohol toxicity, drug safety, pharmacology, inhalation toxicology, and environmental contaminants. He has spent much...

Brian Crowley, M.D.

Location: District of Columbia
Areas of Expertise: Dr. Crowley, a Yale Medical School graduate, specializes in Psychiatry, Forensic Psychiatry, and Psychoanalysis. He is Past Chair of the Department of Psychiatry at Suburban Hospital in Bethesda, Maryland....