Marla Geha is a professor of Astronomy and Physics at Yale University. She obtained a B.S. in Applied and Engineering Physics from Cornell University and a PhD in Astrophysics from University of California Santa Cruz. Her research is focused on understanding how the smallest known galaxies formed, and using these galaxies to understand the nature of dark matter and the underlying cosmology of the Universe. She has received honors including an Alfred P. Sloan Research Fellow, a John S. Guggenheim Fellowship, a Howard Hughes Medical Institute Professor Fellowship and the Dylan Hixon '88 Prize for teaching excellence in the natural sciences at Yale. She is on the executive board of the Warrior Scholar Project and is the director of the Research Experience for Veteran Undergraduate (REVU) program.