Nathan O. Hatch is president of Wake Forest University in Winston-Salem, N.C., and one of the most influential historians of religion in America. His books include, as author, The Democratization of American Christianity. Contact Donna K. Gung.

The Markkula Center for Applied Ethics at Santa Clara University in Santa Clara, Calif., is dedicated to researching modern ethical issues and attempting to create solutions in diverse fields such as bioethics, the Internet, government and character ethics.

Stephen Chapman is an associate professor of Old Testament at Duke Divinity School. Previously, he worked as a legislative assistant to a member of Congress. He has examined the use of the Bible and religious language in contemporary society and defends the separation of church and state.

Melissa Snarr is an associate professor of ethics and society and a Christian social ethicist at Vanderbilt University in Nashville, Tenn. Her research focuses on political and religious ethics, social change, religion and war and religion and politics.

Jeffrey Stout is professor of religion emeritus at Princeton University in New Jersey. He is the author of Democracy and Tradition.

Amaney A. Jamal is an associate professor of politics at Princeton University and the director of the Workshop on Arab Political Development.

Mary L. Smith is the president of the National Native American Bar Association.

Winona LaDuke, an Anishinaabe, is an author and program director of Honor the Earth, which supports Native environmental issues by working to break the geographic and political isolation of Native communities.

Jacqueline Pata is the executive director of the National Congress of American Indians.