Kristin Lewis is a project director within the Center for Public Engagement with Science and Technology at the American Association for the Advancement of Science. Kristin leads the AAAS Mass Media Science & Engineering Fellowship, co-leads the AAAS IF/THEN Ambassadors and facilitates Communicating Science workshops. Prior to joining AAAS in 2019, Kristin supported the development of the Fourth National Climate Assessment at the U.S. Global Change Research Program, and was a AAAS Science and Technology Policy Fellow at NASA. She holds a Ph.D. in Physics from the University of Michigan, and can often be seen on her bike in the streets or trails around D.C.