Joined Cesar Chavez in his effort to unionize California farm worker, eventually becoming Director of Organizing of the United Farm Workers and serving on the National Executive Board
As senior lecturer in public policy at the Harvard Kennedy School, teaches, researches, and writes about social movements, civic associations, and politics.
His newest book, Why David Sometimes Wins: leadership, organization and strategy in the California farm worker movement, earned the Michael J. Harrington Book Award of the American Political Science Association.
