Darryl Holter is the author of Workers and Unions in Wisconsin: A Labor History and The Battle for Coal: Miners and the Nationalization of Coal-Mining in France. He is a musician and singer-songwriter, a former labor leader, an urban developer, an adjunct professor of history at the University of Southern California, and a member of the Professional Musicians Union Local 47 in Los Angeles. He has managed auto dealerships, including Felix Chevrolet, and was the founding chairperson of the Figueroa Corridor Business Improvement District.