Previously, he worked as a producer and associate producer for Academy Award®-winning filmmaker Barbara Kopple. He also produced and directed Safe in the City, a fiction short about HIV and STD prevention, for the Centers for Disease Control (CDC), and Voices of Youth, a documentary short about foster care, for San Francisco's Youth Law Center and the Annie E. Casey Foundation. Moss is an occasional contributor to indieWIRE, the on-line independent film magazine, and has worked as a policy aide and speechwriter on Capitol Hill. He graduated with honors from the University of California at Berkeley.