Since moving to San Diego in 2007, Trambley has been active in the LGBT community, most notably joining co-founders Lisa Mata and Brian Lacklan on the Human Rights Campaign San Diego Steering Committee. Trambley serves as the current co-chair with Mata, after previously serving in other leadership positions. Additionally, Trambley is the secretary for the San Diego Pride Community Advisory Committee and is the District Three representative to the San Diego Human Relations Commission. He is an assistant clinical professor of medicine at the University of California, San Diego and is currently a political columnist for LGBT Weekly.