Guillermo Mayer is the President/CEO at Public Advocates Inc. in San Francisco, specializing in education and transit equity litigation and advocacy. Mayer worked in the California Senate, first as legislative aide for former Senator Hilda Solis, and subsequently as legislative director for former Senator Tom Hayden.
Originally from Guadalajara, Mexico, Mayer immigrated to the U.S. at the age of 11. He lives with his wife, Giannina, in Oakland, California. Mayer has a law degree from the UCLA School of Law, with concentrations in Critical Race Theory and Public Interest Law & Policy.