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Tim Pastoor

PhD, DABT

Expert Bio

Dr. Pastoor obtained his PhD in toxicology from the University of Michigan, is certified by the American Board of Toxicology (DABT), and is a long-standing, active member of the Society of Toxicology.  Dr. Pastoor has over 30 years of international experience in fundamental toxicity testing, mode of action research, and human health risk assessment. 

Dr. Pastoor retired in 2015 from Syngenta as Principal Scientist and founded the company Pastoor Science Communications, LLC that is centered around his passion for sound science, communicated well.

For the majority of his career, including positions with DuPont, ICI, Zeneca, Novartis, and Syngenta, Dr. Pastoor led toxicology and risk assessment experts in the conduct of safety, health, and environmental studies to assess risk to humans and the environment. In those roles, he was involved in toxicological research projects and product development and was frequently asked to interact with media, community groups, legislators, and regulatory agencies.  He is a frequent lecturer on toxicology and risk assessment subjects. 

In addition to being founder and CEO of Pastoor Science Communications, he is president of the Health and Environmental Sciences Institute (HESI), a DC based non-profit organization dedicated to engaging scientists from academia, government, industry, research institutes, and NGOs to identify and resolve global health and environmental issues.

Studies, Articles and Answers

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Q: Aloha,I am writing about pesticide/herbicide use with GMO crops specifically GMO corn and Soy parent crops grown here in Hawaii. 1. Have there been studies to show that buffer zones keep pesticides/herbicides out of public spaces like homes, water ways et

Answered By Tim Pastoor - May 08, 2015

A: Over atrazine’s 50+-year history, the U.S. Environmental Protection Agency (EPA), along with other regulatory agencies around the world, has conducted and reviewed more than 7,000 scientific studies to evaluate its safety, including any reproductive or developmental toxicity. These studies consistently have shown atrazine does not cause harmful effects to human health, including potential for birth defects or reproductive complications.   In fact, the World Health Organization specifically stated in a 2007 report atrazine is not a cause of birth defects. And in 2011, an EPA [...]

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