California Alcohol, Drug & DUI Testing Expert Witnesses

California Accident Reconstruction & Safety Expert Witness Listings

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Featured Experts
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 ›

Richard A Stripp (American Scientific Consultants Corp)

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 ›

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 ›

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...

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...

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...

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...

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...

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...

Michael J. Whitekus PhD, DABT (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...

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,...