is a senior advisor in the Office of California Governor Jerry Brown, working on energy, environmental and agricultural issues. In 2011, he served as Acting Director of the California Department of Conservation. From 2007 to 2010 he was a special assistant attorney general for Attorney General Jerry Brown. He currently is on leave from Golden Gate University School of Law, where he taught environmental law and directed the environmental law program from 1993 to 2007. He is the author or co-author of five books and numerous articles about environmental law and policy. Prior to becoming a professor at Golden Gate, he worked in the Environment Section of the California Attorney General's Office from 1986 to 1993. He is a graduate of Princeton University and Yale Law School.