Toxicology Expert Witnesses: 17

Joel Gagnier, PhD, is an experienced clinical Epidemiologist with over 25 years of experience in the assessment of general and specific causation in cases of Exposures to Chemicals and Medical Interventions, and the Risks of Disease or Adverse Events. He is a tenured professor with over 20 million dollars in funding and over 210 peer-reviewed publications.

Dr. Gagnier has methodologic expertise in human subject epidemiologic research (and more generally epidemiology), clinical research, systematic reviews and meta-analyses, as well as basic science research, statistics and biostatistics  

Litigation Support - Dr. Gagnier is an expert at finding the relevant literature, assessing the quality of the evidence, extracting the data, performing meta-analyses, finding the magnitude of the association, doing a causation assessment (Bradford hill analysis) and coming to final conclusions. He has been an expert on 15 separate cases, been deposed 10 times, and testified 4 times.

Areas of Expertise:

Dr. David H. Schaffer, MD, MRO is a Harvard-trained, dual-boarded MD in both Medical Toxicology and Emergency Medicine, serving as the Director of Medical Toxicology at the University of South Carolina School of Medicine in Greenville, SC and Prisma Health–Upstate hospitals. He is also a certified Medical Review Officer (MRO, MROCC).

Dr. Schaffer is extensively published and is an experienced expert witness in cases including Med Mal, wrongful death, personal injury, child custody, and more.