James Strock (born August 19, 1956) is an American writer, speaker, entrepreneur, lawyer and former senior-level public official. Strock is the author of three books on leadership, and a fourth on political reform in the United States. Based in Rancho Santa Fe, California, he is a frequent speaker at conferences and corporate events across the U.S. and in other nations. Strock previously served as the founding Secretary of the California Environmental Protection Agency, and as Assistant Administrator for Enforcement (chief law enforcement officer) of the U.S. Environmental Protection Agency.