Chemistry: Clinical Chemistry/Biochemistry - Chemical Pathology Consultants: 1

Dr. William R. Sawyer  is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He has over 32 years of extensive experience in Public Health and Forensic Toxicology. Forensic Environmental & Laboratory Analyses. Through education and experience, Dr. Sawyer has gained extensive expertise in Forensic Petroleum Analyses, Environmental and Clinical Forensic Analyses. 

With over 23 years of laboratory experience and over 14 years experience as a licensed environmental and forensic laboratory director in New York State, he has directed forensic laboratory analyses, sampling protocol and chain-of-custody in criminal and civil matters and has provided petroleum spill assessments to multiple clients including governmental environmental agencies (NYSDEC), Departments of Justice, various State Attorney General Offices (New York, Montana), defense and plaintiff law firms and industry. Petroleum spill and exposure assessment reports have provided an objective determination to within a reasonable degree of scientific certainty. 

Dr. Sawyer is a noted author having written numerous publications, abstracts, treatises and editorials on subjects within his field of expertise. He has also delivered professional presentations on the "Fundamentals of Medical Toxicology" and "Reactive Airways Dysfunction Syndrome (RADS)" to such entities as The American Board of Forensic Medicine & The American College of Forensic Examiners among others.

Lisa Myers interviews Dr. Sawyer on NBC Nightly News

As a Board Certified Toxicologist, Dr. Sawyer provides impartial toxicological evaluations involving:

View Dr. William Sawyer's Expert Witness Profile.