Chemistry Expert Witnesses

Environmental & Science Expert Witness Listings

Please find expert witnesses and consultants who may testify on all aspects of chemistry by clicking on the following categories. Experts found here may consult on issues involving drug synthesis, the Drug Enforcement Agency, and forensic chemistry. These professionals may provide reports concerning environmental chemistry, forensic chemistry, and organic medicinal chemistry. They may also opine on issues regarding organic synthesis and resins, as well as related topics.

You may limit your search for Chemistry expert witnesses to a specific area by selecting a state from the drop down box.

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Featured Experts
Manfred E. Wolff, Ph.D., FAAPS (Intellepharm, Inc.)

Manfred E. Wolff, Ph.D., FAAPS (Intellepharm, Inc.)

Expertise: adverse drug reactions; drug patentability and patent infringement; DUI; performance enhancing drugs; IV drug injury; steroids; retinoids; prostaglandins; ophthalmic drugs; nucleosides; pharmacology, psychopharmacology, and toxicology; medicinal... Learn More ›

Richard A. Parent, PhD, DABT, RAC, FATS, ERT (Consultox, Ltd.)

Location: Maine
Areas of Expertise: Dr. Richard Parent is certified in toxicology by the American Board of Toxicology and the Academy of Toxicological Sciences and has been providing litigation support to both plaintiff and defense since...

Joseph H. Guth, Ph.D., CIH (Scientific and Forensic Services Inc.)

Location: Florida
Areas of Expertise: Dr. Joseph Guth has in-depth expertise in many fields of toxic and hazard assessment, as well as a very broad background in both academia and industry. A chemist and biochemist, he has conducted medical...

George Pasternack, Ph.D. (M.B. Pasternack & Associates, Inc.)

Location: Florida
Areas of Expertise: Dr. Pasternack, a recognized coating expert, provides expert witness services for paints, coatings, chemicals, product defects, accidents, personal injury, adhesives, failure analysis, hazardous materials,...

David Gossman (Gossman Forensics)

Location: Iowa and Illinois
Areas of Expertise: Gossman Forensics provides expert technical assistance to counsel in litigation involving chemical and environmental forensics, hazardous waste, hazardous materials, regulatory compliance, fires and explosions...

John A. Williams, Ph.D, M.B.A., PE (E-P-S)

Location: Indiana
Areas of Expertise: Dr. John Williams, PE of EPS solves complex issues in technology development and plant startup operations, both for industry and in litigation disputes. With a PhD in chemical and fuels engineering and...

James M Miller (J. M. Miller Engineering, Inc.)

Location: Michigan
Areas of Expertise: Dr. James Miller, PE, PhD – Mark R. Lehto, PhD – Bradley Cook, PE, BSME, and the other professional staff at Miller Engineering represent degrees in mechanical, agricultural, chemical & biomedical engineering,...

Harvey M. Cohen, Ph.D., C.I.H. (Cambridge Technical Associates)

Location: Massachusetts
Areas of Expertise: Dr. Cohen is an Ph.D Chemist and Certified Industrial Hygienist, who consults and testifies regarding Chemistry, Adverse Chemical Effects, DWI, Liquor Liability, Dram Shop, Alcohol Toxicology and Effects,...

Hannah M Mathers (Mathers Envir, Sci, Service, LLC)

Location: Ohio
Areas of Expertise: Dr. Hannah Mathers has over 24 years of experience and training in weed control in landscape and nursery crops, and is accomplished in herbicide chemistry, agricultural statistics and plant physiology....

John C Fetzer (Fetzpahs Consulting)

Location: California
Areas of Expertise: Articulate, but down-to-earth, chemist who can plainly describe the chemistry and chemical analysis issues, interpret laboratory results, and other factors relating to petroleum, hydrocarbons, environmental,...


Location: New York
Areas of Expertise: Mr. Meyer R. Rosen has over thirty-five years of industrial and academic experience in chemistry and chemical engineering. He serves as an expert witness for attorneys, and insurance companies in both...

Gerald J Hietpas, P.E. (Causey Engineering, LLC)

Location: Texas
Areas of Expertise: Since 1983, 94% of our 565 Industrial Cases have settled OUT OF COURT – as representatives for Insurers, Defense and Plaintiff Attorneys. Our Principals and Associates have in depth expertise in a broad...

Chuck Dutill, P.E. (Heritage Technical Services, Inc.)

Location: Pennsylvania
Areas of Expertise: For over 35 years Mr. Dutill has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff,...

Brian R. Strazisar (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Dr. Brian R. Strazisar joined RJ Lee Group’s expert team in 2014 and has applied his considerable expertise and experience in cement chemistry to the fields of concrete and construction materials. He...

Michael Fox (Chemical Accident Reconstruction Services, Inc.)

Location: Arizona
Areas of Expertise: Chemical Accident Reconstruction Services, Inc. (Chemaxx) specializes in complex industrial chemical accidents, fires and explosions as well as chemical-related consumer product injuries. The founder of...

Harry A. Milman, Ph.D. (

Location: Maryland
Areas of Expertise: Harry A. Milman, Ph.D. is an international authority in Toxicology, Carcinogenesis, Pharmacology, and Pharmacy and a noted author of "A Death at Camp David" with over 40 years of experience at the US National...

Walter P Godfrey (Fire/Reconstruction Consultants, Inc.)

Location: Florida
Areas of Expertise: We offer World Wide Independent Investigation to Determine the Origin & Cause of Fires & Explosions in Structures, Vessels & Vehicles by providing Fire & Explosion Investigators, Analysts, Experts & Forensic...

ForensisGroup, Inc. (The Expert of Experts)

Location: Multiple Locations
Areas of Expertise: For over 20 years, ForensisGroup has provided the nation’s top law firms, insurance agencies, government entities and many other industries with highly qualified expert witnesses and consultants. Experts...


Location: Illinois
Areas of Expertise: Headquartered in Joliet, Illinois with an additional office in Chicago, Illinois, ChemStaff is the premier water chemistry consulting firm serving the global nuclear industry. Our team brings decades of...

Joseph D Jolson (Custom Client Solutions)

Location: Pennsylvania
Areas of Expertise: Dr. Joseph D. Jolson has a Ph.D. in analytical chemistry and over 30 years of experience including the development, testing, and use of a wide variety of batteries, gas detectors, and respirators. Through...

Michael D. Klein, PE, CHMM (Robson Forensic, Inc.)

Location: Multiple Locations
Areas of Expertise: MICHAEL D. KLEIN, PE, CHMM Certified Hazardous Materials Expert - Manufacturing Processes & Procedures - Environmental Management Systems Michael is a Civil Engineer (MSCE) with over 25 years of experience...

C.J. Abraham (Technical Director, Scientific Advisory Services, Ltd.)

Location: New York
Areas of Expertise: Dr. Abraham has over forty years of international experience consulting to insurance companies, municipalities, government agencies, and the legal profession. He has consulted in more than 3,500 matters...

Dennis L Caputo (Quest Consulting, Inc.)

Location: Texas
Areas of Expertise: Dennis Caputo, M Sc, has over thirty years experience in chemical, petrochemical, refining, product distribution, oil and gas exploration and production as well as metal and chemical recycling. He has...

The Kupiec Group

Location: Oklahoma
Areas of Expertise: Thomas C. Kupiec, Ph.D. and Philip Kemp, Ph.D. have over 50 cumulative years experience as experts in the fields of forensic toxicology and pharmaceutical sciences. Drs Kupiec and Kemp have significant...

Joseph DeMaria, Ph.D., CFC, CSHM, CHCM, MIIRSM (Americana Safety Associates, LLC)

Location: Nevada
Areas of Expertise: Americana Safety assists plaintiff & defense attorneys win their clients' claims. OUR ADVANTAGES We are the only nationwide firm that can provide plaintiff and defense attorneys with experienced...

Consolidated Consultants

Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...

Gerard A Macri

Location: New York
Areas of Expertise: Principal performs forensic investigations, technical and scientific analyses and serves as an expert witness in the areas of chemical identification, chemical forensic evidence, comparison of material...

Dale Softley (S-Arrow Consulting LLC)

Location: Nebraska
Areas of Expertise: Mr. Softley is an agronomist. His areas of expertise include agronomy, agriculture, range fires, chemical damage, crop loss and crop damage, aerial photography, and railroad derailment and fire damage....

Vedoster Ingram, BS, MS, PhM (VINGRAM Enterprises Ltd.)

Location: District of Columbia
Areas of Expertise: The chemist, Vedoster Ingram, has PhM, MS, and BS degrees in Chemistry. A unique procedure has been developed that promotes balanced advocacy in the adjudication of drug cases without actually testing...