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 30 years of extensive experience in Public Health and Forensic Toxicology with specialized expertise in causation analyses (plaintiff and defendant) including Alcohol toxicology, Drugs-of-Abuse, Pharmaceuticals, Herbal Products, Dioxins, Solvents, Heavy Metals, Crude Oil and other Chemicals. Dr. Sawyer has testified in trial or deposition in over 30 states including NY, MA, CT, PA, RI, NH, DE, NJ, WV, VA, NC, SC, GA, FL, AL, MS, LA, AR, MO, KY, IN, IL, WI, MI, OH, MN, MT, WA, CA, TX, OK. As a skilled scientist and communicator in the area of toxic tort, Dr. Sawyer provides services to governmental agencies, corporations, select plaintiffs or defendants. Dr. Sawyer currently serves as Chief Toxicologist for TCAS, LLC, and served for 23 years as an Assistant Professor (adjunct) with the Department of Medicine, Upstate Medical University, Syracuse, New York. Dr. Sawyer also has approximately 14 years experience as a licensed clinical and environmental laboratory director in several states. Lisa Myers interviews Dr. Sawyer on NBC Nightly NewsTCAS Services and Expertise:
Qualifications & Experience
David B. Spiegler, CCM has more than 45 years of proven experience in providing expertise across a broad spectrum of activities involving Meteorology, Climatology, and the Environment. Since the 1980s, he has provided expert analysis for more than 50 law firms and insurance companies on weather related legal and/or insurance claims. Mr. Spiegler has worked on cases in a number of states and has testified in district and superior courts, at arbitration hearings, and at environmental regulatory hearings. He has always been found to be qualified by the court.
Mr. Spiegler's cases range from slip and fall accidents, to motor vehicle, aircraft, and boating accidents, wrongful death and homicide, as well as cases for which damage to – or loss of – property from wind , snow, heavy rain, flooding, and ocean waves occurred. For many cases, he visited the site of the event and evaluated the physical and terrain factors. For all cases, he acquired, analyzed, and interpreted the weather data, reconstructed the weather at the time and location of the event/incident and/or damage or loss, and provided expert opinion and rationale for the opinion.
Forensic Geology Industrial Groundwater Pollution Toxic Tort Strategy Environmental Surface and Groundwater Pollution Mapping of Surface and Groundwater Contamination Forensic Hydrology Groundwater Computer Modeling Aquifer Systems Analysis Hazardous Spill Releases Geological and Geophysical Data Acquisition, Processing and Analysis Geological and Geophysical Mapping of Reservoirs Observational Field Programs Reflection and Refraction Seismology Forensic Seismology Seismic Investigations Oil and Gas Operations and Operator Performance Marine and Land Seismic Operations Value Analysis of Proprietary Geophysical and Geological Data 2D and 3D Reflection Seismology Modeling and Analysis Fluid Dynamics and Reservoir Analysis Toxic Fluid Migration Class Action and Force Majeure Cases
Technical assistance to counsel in litigation involving Fires and Explosions, Chemical and Environmental Forensics, Hazardous Waste and Materials, Regulatory Compliance, Dioxins, and injury or chemical exposure claims including those due to hazardous materials or operations. We provide the technical expertise and develop the evidentiary basis for legal arguments relying on or involving:
Our current newsletter and publications are available in our website library.
For over 40 years, Chuck Dutill, P.E., D.F.E. has been performing Hydrology and Environmental Engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality. Litigation Support - Mr. Dutill has spent approximately 30% of his professional time providing expert witness services for over 40 years. Approximately 50 to 55% of his expert witness services have been for defendants and about 45 to 50% for plaintiffs. He has issued 135 to 140 expert reports, been deposed approximately 40 to 45 times, and testified in federal and state court (including jury and non-jury trials) approximately 30 to 35 times. Forensic cases have occurred in approximately 35 states. As indicated in feedback from attorneys on expert witness cases, some of his strengths include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance with framing case issues. Expertise:
CV Available Upon Request View Mr. Dutill's Consulting Profile.