Theologian and social activist Ronald J. Sider is the founder of Evangelicals for Social Action, a think-tank that publishes Prism magazine and seeks to develop biblical solutions to social and economic problems. He is also professor of theology, holistic ministry, and public policy at Palmer Theological Seminary in Wynnewood, Pennsylvania, and is a founding board member of the National Religious Partnership for the Environment. Sider has published over 22 books and has written over 100 articles in both religious and secular magazines. He is the author of Rich Christians in an Age of Hunger and Just Generosity. He received a BA in European history from the University of Waterloo in Ontario and a Master of Divinity and PhD in history from Yale University.