Ronald J. Sider (PhD, Yale University) is the founder and president emeritus of Evangelicals for Social Action and distinguished professor of theology, holistic ministry, and public policy at Palmer Theological Seminary at Eastern University in Wynnewood, Pennsylvania. He is the author of more than thirty books, including "Nonviolent Action", "The Early Church on Killing", "The Scandal of the Evangelical Conscience", and the bestselling "Rich Christians in an Age of Hunger".