Patrick Kerzic, Ph.D., DABT

J.S. Held’s Inaugural Global Risk Report Examines Potential Business Risks & Opportunities in 2024

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Patrick Kerzic

Principal Toxicologist / Senior Technical Fellow Industrial Hygiene


+1 818 940 8015 (Office)
25240 Hancock Ave, Suite 430
Murrieta, CA 92562

Dr. Patrick Kerzic is a Board-Certified Toxicologist (DABT) with extensive experience designing, conducting, and analyzing mechanistic and human-subject research studies and human health risk assessments.

Prior to joining J.S. Held, Dr. Kerzic previously served as a Staff Toxicologist with the California Environmental Protection Agency, overseeing human health risk assessment activities for over 100 sites contaminated with solvents, metals, and other hazardous materials. He served as a writer and reviewer for the Safer Consumer Products program, which aims to encourage the substitution of hazardous compounds with safer alternatives. Dr. Kerzic has served as Scientific Director for a laboratory, conducting research and clinical studies into blood diseases, including leukemia and lymphoma, and where he oversaw molecular biology and toxicology programs.

Throughout his career, Dr. Kerzic has provided technical and litigation support for various projects, including court cases involving benzene and other solvents. He has assisted companies and industry associations facing challenges regarding potential hazards caused by their products.

Dr. Kerzic has published over 35 abstracts and peer-reviewed papers in toxicology and hematology. He completed his Ph.D. in Toxicology at the University of Colorado Health Sciences Center and postdoctoral training at Johns Hopkins University School of Medicine. His doctoral research examined the effects of benzene metabolites on signaling molecules and their ability to alter survival and differentiation in bone marrow cells.

Professional Affiliations/Memberships/Licenses/Training

  • Diplomate of the American Board of Toxicology (DABT)
  • Society of Toxicology (SOT)
  • International Society for Experimental Hematology (ISEH)
  • American Industrial Hygiene Association (AIHA)
  • 40-hour Hazardous Waste Operations and Emergency Response (HAZWOPER)
  • Basic Offshore Safety Induction Emergency Training with Compressed Air Emergency Breathing System (BOSIET CAEBS 5750)
  • Helicopter Underwater Escape Training (HUET)
  • Adult and Pediatric First Aid/CPR/AED

J.S. Held is recognized as an ENR Top 200 Environmental Consulting Firm and industry leader in the Verdantix Green Quadrant for Sustainability & ESG Consulting.