An ordained United Church of Christ and American Baptist minister, "On Faith" panelist Dr. Willis E. Elliott has been a pastor, teacher, lecturer, administrator, consultant (to Newsweek for 38 years), church executive, and the author of six books. His five earned degrees in religion include a PhD, University of Chicago, where he was divinity research librarian. He taught in colleges, seminaries, & universities--including the University of Hawaii, where he taught "The World's Great Religions" and "Religion and the Meaning of Existence." At the 1966 Triennium of the National Council of Churches, he was the interlocutor with Billy Graham.

As editor of the Catholic weekly magazine "America" (americamagazine.org), Rev. Thomas J. Reese promoted discussion on current issues facing the Catholic Church and the world. The "On Faith" panelist is author of Inside the Vatican: The Politics and Organization of the Catholic Church. Father Reese is frequently quoted as an expert on Catholic issues. He is a senior fellow at the Woodstock Theological Center at Georgetown University, where he is working on religion and politics. Besides his theological training as a Jesuit priest, he has a doctorate in political science from the University of California Berkeley. He once worked as a lobbyist for tax reform.

R. Albert Mohler, Jr. is the ninth president of The Southern Baptist Theological Seminary—the flagship school of the Southern Baptist Convention and one of the largest seminaries in the world. The “On Faith” panelist is a theologian and ordained minister and has served as pastor and staff minister of several Southern Baptist churches. He holds a Master of Divinity degree and the Doctor of Philosophy (in systematic and historical theology) from Southern Seminary. He did additional study at the St. Meinrad School of Theology and research at Oxford University. He became seminary president after serving as editor of The Christian Index, the oldest of the state papers serving the Southern Baptist Convention. Called "an articulate voice for conservative Christianity at large" by the Chicago Tribune, Mohler's mission is to address contemporary issues from a consistent and explicit Christian worldview. He hosts a daily radio program for the Salem Radio Network and blogs on moral, cultural and theological issues. He also has contributed chapters to several books including Hell Under Fire, Whatever Happened to Truth, Here We Stand: A Call From Confessing Evangelicals and The Coming Evangelical Crisis. He served as General Editor of The Gods of the Age or the God of the Ages: Essays by Carl F. H. Henry.

Charles W. "Chuck" Colson is founder of Prison Fellowship, a Christian outreach ministry to the prison population of this country, as well as to ex-prisoners and crime victims. The "On Faith" panelist's daily radio commentary, BreakPoint, is aired daily on over a 1,000 radio outlets nationwide. Colson also is a syndicated columnist, lawyer, and author of 25 books, most recently The Faith (2008). He served as special counsel to the late President Richard M. Nixon (1969-73). After pleading guilty to a Watergate-related charge of obstruction of justice in 1974, Colson served seven months of a one to three-year federal prison sentence. His 1973 Christian conversion was documented in the internationally best-selling book and film, Born Again. He founded Prison Fellowship in 1976. In 1993, Colson was awarded the Templeton Prize for Progress in Religion and donated the $1 million prize to Prison Fellowship. In the last 28 years, Colson has visited more than 600 prisons in 40 countries and, with the help of nearly 50,000 volunteers, has built Prison Fellowship into the world's largest prison outreach, serving the spiritual and practical needs of prisoners in 93 countries including the U.S.

Hadia Mubarak, an "On Faith" panelist, is a senior researcher at Georgetown University's Center for Muslim-Christian Understanding. Starting this fall, she will be a doctoral student at Georgetown University's Islamic Studies department. Mubarak received her Master's Degree in Contemporary Arab Studies with a concentration in Women and Gender from Georgetown University's School of Foreign Service. She received her Bachelor's Degree in International Affairs and English from Florida State University. In 2004, Mubarak was the first female to be elected president of the Muslim Students Association National (MSA) since its establishment in 1963. MSA is an umbrella organization of approximately 600 chapters in the US and Canada, which serves to promote religious awareness on college campuses and foster an atmosphere that accommodates the religious diversity of its student body.

"On Faith" panelist Deepak Chopra is the author of more than fifty books translated into over thirty-five languages, including numerous New York Times bestsellers in both the fiction and nonfiction categories. His latest is "The Third Jesus: The Christ We Cannot Ignore." Chopra’s Wellness Radio airs weekly on Sirius Satellite Stars, Channel 102, which focuses on the areas of success, love, sexuality and relationships, well-being, and spirituality. He is founder and president of the Alliance for a New Humanity. Time magazine heralds Deepak Chopra as one of the top 100 heroes and icons of the century and credits him as “the poet-prophet of alternative medicine.

Martin E. Marty is Fairfax M. Cone Distinguished Service Professor Emeritus at the University of Chicago, where he taught religious history, chiefly in the Divinity School, for 35 years, and where the Martin Marty Center has been founded to promote “public religion” endeavors. For a decade prior to entering academia, the “On Faith” panelist served parishes in the west and northwest suburbs of Chicago as an ordained Lutheran pastor. Marty is the author of more than 50 books including Righteous Empire: The Protestant Experience in America (1970), for which he won the National Book Award. His additional honors include the National Humanities Medal, the Medal of the American Academy of Arts and Sciences, the University of Chicago Alumni Medal, the Distinguished Service Medal of the Association of Theological Schools, and the Order of Lincoln Medallion (Illinois’ top honor). Marty has served as president of the American Academy of Religion, the American Society of Church History, and the American Catholic Historical Association. He also has served on two U.S. Presidential Commissions and was director of the Fundamentalism Project of the American Academy of Arts and Sciences and the Public Religion Project at the University of Chicago. He is Senior Regent of St. Olaf College in Northfield, Minnesota.

Syndicated political columnist and “On Faith” panelist Cal Thomas has a twice-weekly column that appears in over 500 newspapers around the world. A graduate of American University, Thomas is a veteran of broadcast and print journalism. He has worked for NBC, CNBC, PBS television, and the Fox News Channel where he currently appears on the weekly media critique show, “Fox News Watch.” Thomas has authored ten books, including Blinded by Might: Can the Religious Right Save America?, A Freedom Dream, Public Persons and Private Lives, Book Burning, Liberals for Lunch, Occupied Territory, The Death of Ethics in America, Uncommon Sense and Things That Matter Most. His latest was The Wit and Wisdom of Cal Thomas. In 1995, Thomas was honored with a Cable Ace Award nomination for Best Interview Program. Other awards include a George Foster Peabody team reporting award, and awards from both the Associated Press and United Press International. Common Ground, which Thomas writes for USA Today, offers insightful discussion of contentious social issues with his friend and political counterpart, Bob Beckel. The two are working together on a book to be published in 2007.

"“On Faith”" panelist John Shelby Spong served as Bishop of the Episcopal Diocese of Newark for 24 years before his retirement in 2000. His books, seeking to make contemporary theology accessible to lay readers, have sold over a million copies. His latest book, The Sins of Scripture: Exposing the Bible's Texts of Hate to Discover the God of Love (2005), examines the holy book of the Judeo-Christian tradition. A committed Christian who has spent a lifetime studying the Bible and whose life has been deeply shaped by it, Spong has been a visiting lecturer at universities, Including Harvard, and churches worldwide, delivering more than 200 public lectures each year to standing-room only crowds. His best-selling books include Rescuing the Bible from Fundamentalism, A New Christianity for a New World, Why Christianity Must Change or Die, and Here I Stand.

Nicholas Thomas Wright is Anglican Bishop of Durham, England. The "On Faith" panelist taught New Testament studies for 20 years at Cambridge, McGill and Oxford Universities before becoming Dean of Lichfeld in 1994. He was named Canon Theologian of Westminster Abbey in 2000, and consecrated bishop in 2003. He has written hundreds of articles and more than 40 books, including Judas and the Gospel of Jesus (2006) and Evil and the Justice of God (2006). He has served as Visiting Professor at numerous institutions including Harvard Divinity School, Gregorian University in Rome and the Hebrew University in Jerusalem. Dr Wright holds four degrees, including a divinity doctorate from Oxford University, and honorary degrees from several universities and colleges.