Occupational Toxicology 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:

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)

Howard M. Kipen MD, MPH, is Board certified in Internal Medicine and Occupational Medicine. Dr. Kipen earned a BA from UC Berkeley, MD from UCSF, and MPH from Columbia University. He currently serves as Director of the Clinical Research and Occupational Medicine Division and Professor of Environmental and Occupational Health at Rutgers University. Dr. Kipen’s research focuses on clinical and epidemiological studies of the health effects of Indoor and Ambient Air Pollution. His research uses both controlled exposure models with ozone, fresh aerosols, and diesel-enriched on-road exposures, primarily with drives on the New Jersey Turnpike. A new EPA study examines health benefits of portable air cleaners for reducing indoor air pollution levels. Biomarker outcomes presently emphasized are exhaled breath oxidative stress and invasive and noninvasive measures of vascular function. Dr. Kipen has published morethan 200 articles on environmental / occupational health. Scholarly Activities:

• Former Chair, NASA Human Research Program’s Advanced Environmental Health / Advanced Food Technology Standing Review Panel
• Member, National Academies Standing Committee on Medical and Epidemiological Aspects of Air Pollution on U.S. Government Employees and their Families, 2016
• Chair / Member Multiple Ad Hoc Grant Review Panels (e.g., NIEHS, Department of Defense)
• Governor’s Appointee, Public Employee’s Occupational Safety and Health Review Commission, New Jersey Department of Labor
• Member, Public Health Scientific Advisory Board, New Jersey Department of Environmental Protection

Litigation Support: Dr. Kipen has 35 years of litigation experience. He has expertise in various Toxic Torts including asbestos, benzene, mold, air pollution, occupational and environmental cancers, and other diseases. He also has expertise on "Multiple Chemical Sensitivities" (MCS). Dr. Kipen has particular experience as an asbestos plaintiff's expert and both plaintiff and defense experience with other toxic torts. His services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Toxicology

Epidemiology

Industrial Hygiene

Mold

Asbestos

Benzene

Biomedical Engineering

Accident Reconstruction

Electrocution

Building Related Disease

Biomechanics

Bed Bugs