Resume

Christopher P. Weis, Ph.D., D.A.B.T.

Bethesda, MD | chris@weistox.com

Professional Summary

Accomplished toxicologist with over 35 years of experience in toxicology, biophysics, chemistry, and environmental risk assessment. Adept at leading multidisciplinary teams to address complex health risks in emergencies and federal environmental disasters. Former Senior Advisor to the Director of NIEHS and co-chair of the White House OSTP Subcommittee on Toxics and Risks. Renowned for pioneering solutions in forensic toxicology, exposure science, and public health policy. Proven leader, mentor, and educator with a career dedicated to advancing environmental health sciences and regulatory frameworks.

Key Skills

• Toxicological Risk Assessment & Exposure Science
• Forensic Toxicology & Emergency Response
• Environmental Health Policy Development
• Public Health Communication & Leadership
• Regulatory Compliance (EPA, FDA, OSHA, etc.)
• Multidisciplinary Team Leadership
• Advanced Laboratory Design & Implementation
• Data Collection & Evidence-Based Decision Making

Professional Experience

Science Director and Principal, Weis Toxicology, LLC – Bethesda, MD (2022 – Present)

• - We lead strategic development of evidence-based solutions for complex public and occupational health risks.
• - Provide expert analysis on environmental exposure, occupational hazards, and avoidance strategies for industry and the public.

Toxicology Liaison/Senior Advisor, National Institutes of Health: NIEHS & NTP – Bethesda, MD (2010 – 2021)

• - Represented NIEHS in national and international scientific initiatives and policy development.
• - Co-chaired the White House OSTP Subcommittee on Toxics and Risks, fostering federal interagency collaboration on the environment.
• - Conceptualized and supported WHO’s Chemical Risk Assessment Network, connecting 90+ institutions globally.

Senior Forensic Toxicologist - National Enforcement Investigations Center - Lakewood, CO. (2002-2010)

• Designed and managed investigations requiring coordination of physicians, scientists, and field personnel.
• Planned, implemented, and interpreted exposure and toxicological investigations using standard and emerging methods in forensic toxicology and exposure science.
• Defended science operations and of findings during federal criminal and civil litigation.      

Education

• Ph.D. in Toxicology & Comparative Physiology/Biophysics – Michigan State University, College of Veterinary Medicine
• B.S. in General Biology – Grand Valley State University
• Post Doctoral Fellowship - Dept. of Molecular Biophysics, University of Virginia School of Medicine

Certifications and Professional Affiliations

• Diplomate, American Board of Toxicology (ABT)
• Former President, ABT Board of Directors
• Member, American Society of Testing and Materials (ASTM)
• Full Member, Society of Toxicology

Selected Publications

1. Smalling, K.L., Romanok, K.M., et al., Environmental Science: Water Research & Technology, 2023.
2. Bradley, P.M., Argos, M., et al., Science of the Total Environment, 2020.
3. Weis, C.P., et al., Environmental Health Perspectives, 2016.
4. Weis, C.P., et al., Journal of the American Medical Assoc., 2002

Awards and Honors

• Silver Medal, EPA, for public health leadership during federal asbestos disaster response.
• Bronze Medal, EPA, for advancing environmental exposure science.
• President, American Board of Toxicology, 2017.
• Keynote Speaker, India National Institute of Nutrition, 2018.

Continuing Education

• Exposome Workshop, Columbia University, 2021.
• Health Aspects of Resilient Buildings, UL Research Institutes, 2023
• - ASTM Symposium on Elongate Mineral Particles, 2024.