Thomas Galligan, PhD

Principal Scientist for Food Additives and Supplements

Thomas Galligan head shot

Thomas Galligan (he/him/his), as CSPI’s Principal Scientist for Food Additives and Supplements, is working to improve regulation of food chemicals and dietary supplements and get unsafe chemicals and ineffective supplements out of our food supply.

Prior experience

Before joining CSPI, he was a Toxicologist at the Environmental Working Group where he led efforts to promote the use of safer chemicals in personal care products, foods, and other consumer goods and to educate consumers about the chemicals in the products they consume every day. Prior to that, Thomas worked as a Postdoctoral associate and Instructor at Virginia Tech. He earned his PhD in Biomedical Sciences with emphasis on toxicology, endocrinology, and environmental health from the Medical University of South Carolina. Thomas also earned a BS in Dairy Science from Virginia Tech.

Joined CSPI

Thomas joined CSPI in December 2021.

What's the most inspiring part of your job?

“I am continually impressed by the massive impact that a small group of dedicated and passionate people can have. I’m honored to be part of such a group working to make our food system healthier, safer, and more equitable.”