Toxicology Expert Witnesses
expert witnesses
Environmental Health Expert Witness Shaun Crawford
Shaun A. Crawford, PhD, CIH
Owner
2213 Marion Street
Birmingham AL
35226
USA
phone: 205-907-0565
Medical Litigation Elite Medical Experts
Available Nationwide
6440 N. Swan Road - Suite 100
Tucson AZ
85718
USA
phone: 877-670-8625
fax: 520-317-7157
Food Safety Foodborne Illness Expert Witness Ewen Todd
Ewen Todd, PhD
4183 Indian Glen Drive
Okemos MI
48864
USA
phone: 517 347-4270
Chemical Toxicology Expert Witness Rudolph Johnson
Rudolph C. Johnson, PhD
Principal
Madison WI
USA
phone: 470-865-9123
Industrial Hygiene Expert Witness Dr Eric Brown CIH CSP
Dr. Eric N. Brown, CIH, CSP
Long Beach CA USA
phone: 888.988.8867
Environmental Engineering Expert Witness Mark Barnett
Mark O. Barnett, PhD, PE, BCEE
Auburn AL
36830
USA
phone: 334-703-6613
Infectious Disease Expert Joseph Marzouk
Infectious Disease Specialist
4096 Piedmont Avenue
Suite 911
Oakland CA
94611
USA
phone: 510-835-6225
Toxicology Expert Dr James Norris
Dr. James C. Norris, DABT, EURT
ALL STATES
USA
phone: 866-526-6774
Hazardous Waste Pollution Expert Dennis Stainken
Dr. Dennis Stainken
Principal
4 Carrol Drive
Hillsborough NJ
08844
USA
phone: 908-369-6890
fax: 908-369-6881
Occupational Health Expert Witnesses RedSpire
Kristen Good, MEM, PhD, CIH
Principal Health Scientist; Epidemiologist
Fort Collins CO
80528
USA
phone: 413-374-2641
Personal Injury Loss Experts RPC
Dr. Ronald T. Luke, JD
President
6300 La Calma Drive, Suite 170
Austin TX
78752
USA
phone: 512-371-8166
fax: 512-371-8001
Forensic Toxicology Expert Witness Sara Schreiber
Sara J. Schreiber, PhD, D-ABFT-FT
Forensic Toxicologist
PO Box 70
Frankenmuth MI
48734
USA, International
phone: 517-819-4277
Environmental Exposure Expert Witness Paul Rosenfeld
Paul E. Rosenfeld, M.S., Ph.D.
Program Director
1317 12th Street, Suite 7
Santa Monica CA
90401
USA
phone: 310-795-2335
Featured resources
by Harry A. Milman, PhD, Elizabeth K. Weisburger
by Harry A. Milman, PhD
by Ronald E Gots, MD, PhD, et al
Rudolph Johnson, PhD, is a Chemical Toxicologist with over 20 years of experience in analytical chemistry and toxicological investigations. Dr. Johnson's past experience includes directing the (1) clinical toxicology network, LRN-C, at the Centers for Disease Control and Prevention and (2) the Military Exposures Research Program at the US Department of Veterans Affairs. Currently, he serves as the Director of the Wisconsin State Laboratory of Hygiene and has a faculty appointment at the University of Wisconsin-Madison School of Medicine and Public Health, Department of Pathology.
Dr. Kristen Good is an Epidemiologist and Certified Industrial Hygienist (CIH) with over 15 years of scientific background and experience in risk assessment, toxicology, exposure assessment, and environmental sciences, across academia/research, private industry, and government sectors. She is passionate about identifying data-driven, scientifically-supported solutions to complex problems - and communicating those solutions to stakeholders and the public. She has a Ph.D. in Environmental Health with an epidemiology concentration from Colorado State University, a Master's degree in Environmental Management, toxicology focus, from Duke University, and a B.S. in Biology from Boston College.
Dr. Nicholas Good, Co-Founder and Exposure Science Lead, is an Aerosol Scientist with over 20 years of experience in Scientific Instrument Development, Evaluation, and Deployment. He has worked across academia, research, and private industry in aerosol exposure sciences, indoor air quality, and environmental health. Dr. Good focuses on bridging emerging technology—both hardware and software—from the research laboratory into solutions for practical real-world problems. He holds a Ph.D. in Atmospheric Science from Manchester University and a B.S in Physics from The University of Manchester.
Dr. Gavin McMeeking, Chief Executive Officer & Co-Founder, is an Aerosol Scientist with over 20 years of experience in Scientific Instrument Development, Evaluation, and Deployment. He has worked across academia, research, and private industry in atmospheric chemistry, cloud physics, aerosol measurements, and environmental health. Dr. McMeeking focuses on bridging emerging technology—both hardware and software—from the research laboratory into solutions to practical real-world problems. He holds a Ph.D. and M.S. in Atmospheric Science from Colorado State University and a B.A. in Earth and Planetary Science from UC Berkeley.


Sara J. Schreiber, PhD, D-ABFT-FT, is a worldwide leader and highly accomplished Forensic Toxicologist, Educator, and Consultant whose work has earned recognition at both the national and international levels through leadership, teaching, professional service, and participation in major forensic pursuits.
Paul E. Rosenfeld, M.S., Ph.D., is the Founder and Principal Scientist of RoseyFields LLC and a nationally recognized forensic environmental scientist and plaintiff expert witness. Over 25 years, his work has spanned complex toxic-tort and class-action litigation — including MTBE, PFOA/PFAS, asbestos, FELA railroad exposure, air-dispersion modeling, epidemiology, toxicology, industrial contamination, and pesticide exposure matters — with an aggregate case value of approximately $14 billion, and he has been deposed approximately 150 times in 31 states.

