California Alcohol, Drug & DUI Testing Expert Witnesses

California Accident Reconstruction & Safety Expert Witness Listings

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Expert Witnesses

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Featured Experts
Sanjay G. Adhia, MD (Sanjay G. Adhia, M.D., Forensic Psychiatry)
Dr. Adhia is a triple Board-Certified Forensic Psychiatrist. He is among fewer than a dozen Board-Certified Forensic Psychiatrists in the US who are also Board-Certified in Brain Injury Medicine. He assesses all psychiatric issues that arise in civil,... Learn More ›

The Kupiec Group
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 experience in the fields of · Forensic Toxicology... Learn More ›

Richard A Stripp (American Scientific Consultants Corp)
With internationally recognized experts, ASC delivers impartial scientific evaluation of the role of drug and chemical exposure in civil and criminal litigation. ASC expert toxicologists have extensive expertise in the toxicological exposure, effects,... Learn More ›

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 ›

William R. Sawyer, Ph.D. (Toxicology Consultants & Assessment Specialists, LLC)
Dr. William R. Sawyer is a toxicologist with a doctorate in toxicology from Indiana University School of Medicine. A diplomate of the American Board of Forensic Medicine, Dr. Sawyer has more than 30 years of extensive experience in public health and... Learn More ›
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...
Howard S Robin (LJ Pathology Consultants Inc)
Location: California
Areas of Expertise: Dr. Robin is a board certified anatomic and clinical pathologist specializing in forensic toxicology and pharmacology. He has extensive experience directing anatomic laboratories with a focus on cancer,...
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...
John A. Cocklin (Exigent Group Limited)
Location: Multiple Locations
Areas of Expertise: John Cocklin is uniquely qualified to investigate matters of law enforcement practices and procedures as well as Dram Shop litigation and the regulation of alcoholic beverage products. Mr. Cocklin enjoyed...
Donald A. Fox, Ph.D., ATS Fellow, ARVO Fellow (Exigent Group Limited)
Location: Multiple Locations
Areas of Expertise: Dr. Fox is a highly credentialed internationally-recognized toxicology educator, lecturer and researcher with broad training, expertise and experience in the disciplines of toxicology and pharmacology,...
Jeffrey P. Jannarone (Exigent Group Limited)
Location: Multiple Locations
Areas of Expertise: Jeff Jannarone is a nationally recognized and highly qualified expert in dram shop, premises liability and public safety practices. He uses his experience to address the standard of care in the sale or...
Michael J. Whitekus PhD, DABT (Robson Forensic)
Location: Multiple Locations
Areas of Expertise: Dr. Whitekus is a board certified toxicologist and applies his broad expertise in drug safety evaluation and toxicology (over 25 years) to his forensic practice involving adverse drug and alcohol events...
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...
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,...