Pesticides & Insecticides Contaminants Consultants: 4

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:

Chemical Exposures Petroleum Product Exposures Alcohol Ingestion Intentional Poisons Involved in Homicides Carcinogens

Pharmaceuticals Pyrolysis Products Heavy Metals Organic Chemicals Drugs of Abuse

View Dr. William Sawyer's Expert Witness Profile.

Tom Jonaitis, DABT, is a Board Certified Toxicologist and Consumer Product Safety / Regulatory Consultant with 18 years of experience. He has broad expertise in the areas of Safety and Exposure Assessment, Regulatory Compliance, and Toxicology Evaluations.  

Mr. Jonaitis helps companies efficiently navigate and comply with various regulations and obstacles in the consumer product, food, cosmetic, dietary supplement, building material, and chemical industries. His has co-authored several manuscripts in peer-reviewed journals on the topics of safety, risk assessment, and other research.

Background Experience - Prior to forming RegTox Solutions, Mr. Jonaitis served as Manager of Toxicology & Regulatory Affairs at Intertek Scientific & Regulatory Consultancy (2005-2018). He worked as subject-matter expert (SME) and client contact for matters related to California Proposition 65, including presenting webinars and presentations. He also conducted human exposure assessments in relation to chemicals in food, dietary supplements, consumer products, cosmetics, as well as deriving exposure limits for carcinogens, reproductive / developmental or other toxins using traditional and benchmark dose modeling approaches.

Business Consultant Services:

• Regulatory Compliance Evaluations
• Scientific Literature Hazard Reviews and Summaries for Chemicals / Substances
• Creating Pre-Market Quality and Safety Dossiers for Novel Food / Dietary Supplement Ingredient Applications (primarily for US, Canada, Australia)
• Safety Assessments
• Label Claims Analysis and Compliance
• Deriving Exposure Limits
• HazComm, Pesticide Applications, and various other niche areas
• California Proposition 65 Compliance (and how to avoid costly enforcement)

ENTOX, Inc. was established in 1999 to provide the best possible consulting services to those in need of Insecticide Toxicology and Environmental Toxicology analysis. ENTOX provides technical consulting on all types of:

Pesticides and Insect Repellents Synthetic and Botanical Insecticides Acaricides Fumigants Repellents Toxicity

Mechanisms of Action Environmental and Comparative Toxicology Ecological Risk Assessment Persistence of Pesticides Movement in the Environment Residue Analysis

Joel R. Coats, PhD, is Distinguished Professor of Entomology and Toxicology in the Department of Entomology at Iowa State University.

Specializing in Insecticide Toxicology and Environmental Toxicology, he has been on the faculty at Iowa State University since 1978 and served as Department Chairman for seven years.

Dr. Coats’ research program includes two main areas: (1) insect toxicology and (2) environmental toxicology and environmental chemistry of Agrochemicals. His research in the insect toxicology area is focused primarily on natural products as insecticides and insect repellents, including investigations of their spectrum of activity, mechanisms of action, metabolism, synthesis of biorational derivatives and analogs, and quantitative structure-activity relationships.

Dr. Coats' 200 scientific publications include 10 books, 7 review articles, 40 book chapters, and over 140 peer-reviewed journal articles; he also holds 9 patents. He has received the International Award for Research in Agrochemicals from the American Chemical Society Agrochemical Division, and he is a Fellow of the American Association for the Advancement of Science, and a Fellow of the Entomological Society of America. Dr. Coats recently received the Alumni Achievement Award from the University of Illinois College of Liberal Arts and Sciences.

View Dr. Coats' Expert Witness Profile.

Dr. Olen R. Brown, PhD (Microbiology) is a board certified Diplomate in Toxicology and member of the Standards of Knowledge Committee. With broad teaching and research experience, Dr. Brown has dedicated over 35 years to the Life Sciences with a focus on Human Medicine using the disciplines of bacteriology, virology, immunology, epidemiology, biochemistry, physiology, analytical chemistry, toxicology and environmental sciences. Dr. Brown currently is a scientific consultant to corporations and universities. Dr. Brown is an invited peer reviewer for federal agencies (NIH, NIEHS, CDC, EPA, Superfund, ATSDR and others) and reviewer for the American Association for the Advancement of Science (AAAS) Books and Films. He is also an invited reviewer of submitted papers for various scientific journals including regularly for the American Chemical Society publications and serves as judge of submitted abstracts for the Society of Free Radical Biology and Medicine. Dr. Brown is the author of over 150 scientific publications and two books: "The Art and Science of Expert Witnessing," published in 2002 by the Cypress Publishing Group; and "Miracles," published in 2007 by BookSurge Publishing. Consulting Experience Includes:

• Risk assessment from exposure to toxic chemicals and bacteria, viruses, molds (fungi) and the occurrence of acute and chronic toxic, infectious, allergic, and inflammatory diseases
• Evaluation of the therapeutic and harmful effects of ethical drugs and the effects of alcohol and other drugs of abuse
• Toxicity of solvents, pesticides, heavy metals, ozone, carbon monoxide, nanoparticles, and other air pollutants
• Safety evaluation of human medical and veterinary medical devices and pharmaceuticals and White Papers

View Dr. Brown's Expert Witness Profile.