For 45 years – experience in pre-clinical risk assessment of chemicals, drugs, medical devices and stem cells, working under GLP conditions. A Board Certified Toxicologic Pathologist recognized by the European Authorities - https://ebvs.eu/colleges/ECVP/members/prof-abraham-nyska For 18 years – served as Expert in Toxicologic Pathology at the American National Toxicology Program (NTP) of the National Institute of Health (NIH) From 2005 – serves as an independent global consultant in Toxicologic Pathology, projects submitted to international regulatory agencies. Serves as Associate Editor and Principal consultant to a major journal in the field, “Toxicologic Pathology”; Author of approximately 500 peer reviewed publications and/or chapters in books Member of international expert committees for harmonization of terminologies in toxicologic pathology (IN-HAND initiative) and other international expert groups His considerable deep knowledge, and long-standing expertise in the field of Toxicologic Pathology has earned him several highly valued NIH Director Awards “In recognition of consistent dedication and teamwork, ensuring quality evaluation and interpretation of pathology aspects of NTP studies