Donald Caspar is a structural biologist, emeritus professor of biological science at the Florida State University Institute of Molecular Biophysics, a member of the National Academy of Sciences, and a fellow of the American Academy of Arts & Sciences.

Peter Staley has been a long-term AIDS and gay rights activist, first as a member of ACT UP New York, then as the founding director of TAG, the Treatment Action Group. He served on the board of the American Foundation for AIDS Research (amfAR) for 13 years.

Dominic Walliman is a physicist and an award-winning science writer. He is co-creator of the Professor Astro Cat science books with illustrator Ben Newman. He also makes YouTube videos communicating science.

Dan Kahan is the Elizabeth K. Dollard Professor of Law & Professor of Psychology at Yale Law School. His primary research interests are risk perception and science communication.