He's a herpetology expert witness and has over 25 years of experience in herpetology and natural sciences, with expertise in rattlesnakes, rattlesnake biology, rattlesnake behavior, envenomation, and rattlesnake enclosure technologies. Their work includes development of measures to reduce snakebite risk, including collaboration with risk management teams to establish grounds, lighting, and signage. The expert has provided consultations and courtroom testimony for more than 20 years in matters involving rattlesnakes and related biological considerations.

Their expertise includes endangered species of rattlesnakes, violations of the Endangered Species Act, and research and conservation activities involving rattlesnake populations. Their background includes coordination of multiple research and conservation projects, data analysis, and publication of results in peer-reviewed literature. Work has also included production of natural history books, publication of research in peer-reviewed journals, and coordination of bioinformatics projects.

Professional experience includes teaching, research, community outreach and education, supervision of employees, and coordination of research and conservation activities involving reptiles and amphibians. Their background also includes involvement with the Arizona Game and Fish Department. The expert holds a Ph.D. in Zoology, a Master of Arts in Biology, and a Bachelor of Science in Biology.