Arjun Makhijani, President of IEER, holds a Ph.D. in engineering (specialization: nuclear fusion) from the University of California at Berkeley. He has produced many studies and articles on nuclear fuel cycle related issues, including weapons production, testing, and nuclear waste, over the past fifteen years. He is the principal author of the first study ever done (completed in 1971) on energy conservation potential in the U.S. economy. He is the principal editor of Nuclear Wastelands and the principal author of Mending the Ozone Hole, both published by MIT Press.

Lois Chalmers, IEER's librarian, has a Master's degree in library science from Simmons College in Boston. She is an expert in finding documents and materials on nuclear weapons related issues.

Lisa Ledwidge, Editor of Science for Democratic Action and Outreach Director, United States, holds an M.S. in environmental science and an M.P.A. in public affairs from Indiana University's School of Public and Environmental Affairs. She received a B.S. in Biology from Eastern Michigan University.

Annie Makhijani, Project Scientist, has an M.S. in chemistry from the University of Maryland. She has done research on ozone layer protection and nuclear chemistry, including environmental chemistry, specifically. She is a co-author of IEER's report on fissile materials disposition and of several reports on ozone layer protection.

Jennifer Nordstrom, Outreach Coordinator, has a B.A. in political science and women's studies from City University of New York, Hunter College.