The Rev. Dr. C. Welton Gaddy leads the nonpartisan educational organizations the Interfaith Alliance and the Interfaith Alliance Foundation, and hosts the latter's national weekly radio show, State of Belief. The “On Faith” panelist also serves as pastor for preaching and worship at Northminster (Baptist) Church in Monroe, La. Gaddy has written more than 20 books, which reflect his interest in the intersection of religion, media and activism as well as his progressive view of the Baptist church, including: I Give You My Word: Sharing the Language of Life ” with Walter Cronkite; Faith and Politics: What's a Christian to Do ?; Adultery and Grace: the Ultimate Scandal ; and A Love Affair With God: Finding Freedom & Intimacy in Prayer . Gaddy also is one of 20 religious members of the Council of 100 leaders, a group created by the World Economic Forum to foster dialogue between Western and Muslim countries. He has served in leadership roles at the national Alliance of Baptists, Cooperative Baptist Fellowship, Commission of Christian Ethics of the Baptist World Alliance, Board of Americans United for Separation of Church and State, Pastoral Leadership Commission of the Baptist World Alliance, and Southern Baptist Convention. The Interfaith Alliance was created in 1994 to celebrate religious freedom and to challenge the bigotry and hatred arising from religious and political extremism infiltrating American politics. Today, The Interfaith Alliance has 185,000 members across the country representing 75 faith traditions a well as those of no faith tradition. It is supported by 47 local activist groups and a cyber-network of 45,000 people. Gaddy earned his undergraduate degree from Union University in Tennessee and his doctoral degree and divinity training from the Southern Baptist Theological Seminary in Louisville, Ky.

Jim Wallis is president and executive director of Sojourners/Call to Renewal, progressive Christian movements founded to fight poverty and promote social justice. He also is the author of the best-selling God's Politics: Why the Right Gets It Wrong and the Left Doesn't Get It (2005). The “On Faith” panelist was raised in a Midwest evangelical family. As a teenager, his questioning of the racial segregation in his church and community led him to the black churches and neighborhoods of inner-city Detroit. He spent his student years involved in the civil rights and antiwar movements. While at Trinity Evangelical Divinity School in Illinois, Wallis and several other students started a small magazine and community with a Christian commitment to social justice that has grown into a national faith-based organization and network. In 1979, Time magazine named Wallis one of the “50 Faces for America’s Future.” Wallis also is editor-in-chief of Sojourners magazine and speaks at more than 200 events each year. Some of his other books include Faith Works; The Soul of Politics: A Practical and Prophetic Vision for Change; Who Speaks for God? A New Politics of Compassion, Community, and Civility; and Call to Conversion.

“On Faith” panelist Brian D. McLaren is a best-selling author, pastor and intellectual leader of “emerging church,” a Christian evangelical movement that seeks new ways to worship and understand the gospel in a postmodern era. He serves as a board chair for Sojourners/Call to Renewal, an evangelical social justice ministry, and is a founding member of Red Letter Christians, a network of progressive evangelical leaders who seek to apply Christian values to a broad agenda of concerns, including poverty, environmental care and advancing peace. McLaren, who is founding pastor of Cedar Ridge Community Church in Maryland, has lectured widely in the United States and abroad. His topics include postmodern thought and culture, Biblical studies, evangelism, inter-religious dialogue, ecology, and social justice. His eight books include A New Kind of Christian, A Generous Orthodoxy, and The Secret Message of Jesus. In 2005, McLaren was named by TIME magazine as one of America’s 25 most influential evangelicals.

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.

"On Faith" panelist Pamela K. Taylor is co-founder of Muslims for Progressive Values and director of the Islamic Writers Alliance. She is a member of the national board of advisors to the Network of Spiritual Progressives, and served as co-chair of the Progressive Muslim Union for two years. Taylor is a strong supporter of the woman imam movement, which seeks the full participation of Muslim women in every aspect of life, including the pulpit. In July 2005, she became the first woman in centuries to officiate Friday prayers in a mosque when the United Muslim Association of Toronto and the Muslim Canadian Congress invited her to serve as guest imam. (This event followed a number of services, sermons and prayer sessions led by women held in private venues because no mosque agreed to host them.) In February 2006, when the former Grand Mufti of Marseilles visited Toronto, he requested that Taylor lead him in congregational prayer as an unequivocal demonstration of his support for female imams. Taylor has also been active in interfaith dialogue for 20 years, both in local initiatives and speaking at numerous conferences, universities, and churches. She received her MTS from Harvard Divinity School, and writes regularly on spiritual matters and the Islamic faith. She has essays in Nurturing Child and Adolescent Spirituality: Perspectives from the World's Religious Traditions (2006) and the forthcoming The Veil: Women Writers on Its History, Lore, and Politics (2007). She has written hundreds of articles and opinion pieces for newspapers, magazines, and journals, and is an award winning poet.

"On Faith" panelist Sulayman S. Nyang teaches in the Department of African Studies at Howard University in Washington, D.C. A scholar of African and Muslim affairs, Nyang, who is a native of the Republic of the Gambia, also served as his homeland's deputy ambassador to seven Middle Eastern and North African countries from 1975-78. Except for those three years, Nyang has taught at Howard since 1972, serving as acting director of the African Studies Program from 1973-75 and from 1986-1993, as chairman of the Department of African Studies. In 1993, he became senior consultant on the African Voices Project of the Museum of Natural History of the Smithsonian Institution..In 1997, Nyang became the first scholar to be named the Henry Luce Professor for Abrahamic Religions at the University of Hartford and Hartford Seminary. From 1999 to 2002 Professor Nyang served as a principal investigator and co-director of the Muslims in the American Public Square (MAPS) project sponsored by the Pew Charitable Trust and housed at Georgetown University's Center for Muslim-Christian Understanding. Now a U.S. citizen, Nyang has written extensively on African, Islamic and Middle Eastern affairs .His most widely-known book is Islam, Christianity and African Identity. He has also authored or co-edited Religious Plurality in Africa, with Jacob Olupona; A Line in the Sand: Saudi Arabia's Role in the Gulf War, with Evans Heindricks; and Islam:Its Relevance Today, co-edited with Henry Thompson. Nyang also wrote Islam in the United States of America (1999). His latest work is Muslims' Place in the American Public Square. Hopes, Fears, and Aspirations (2004), jointly edited with Zahid Bukhari and John Esposito of Georgetown University, and Mumtaz Ahmad of Hampton University). Nyang, who holds a doctorate in government from the University of Virginia, also serves on the advisory boards of several national African and Muslim organizations and was the first American Muslim president of the Interfaith Conference of Metropolitan Washington, D.C.

"On Faith" panelist Anthony M. Stevens-Arroyo is Professor Emeritus of Puerto Rican and Latino Studies at Brooklyn College and Distinguished Scholar of the City University of New York. He has written more than 40 scholarly articles and authored nine books, including the four-volume PARAL series on religion among Latinos. His book Prophets Denied Honor (1980) is considered a landmark in Catholic literature. With his spouse, Ana María Díaz-Stevens, he authored Recognizing the Latino Religious Resurgence , which was named an Outstanding Academic Book for 1998 by Choice magazine. A spokesperson for civil and human rights, he has testified before the U.S. Congress and the United Nations and was named by President Jimmy Carter to the Advisory Board of the U.S. Commission of Civil Rights for two terms. Presently, he directs the Research Center for Religion In Society and Culture (RISC).

Susan Jacoby is the author of The Age of American Unreason. She began her writing career as a reporter for The Washington Post, and has been a contributor to a wide range of periodicals and newspapers for more than 25 years on topics including law, religion, medicine, aging, women's rights, political dissent in the Soviet Union and Russian literature. Jacoby has been the recipient of grants from the Guggenheim, Rockefeller and Ford Foundations, as well as the National Endowment for the Humanities. In 2001-2002, she was named a fellow at the Center for Scholars and Writers at the New York Public Library. Jacoby’s other books include Freethinkers: A History of American Secularism (2004); Wild Justice: The Evolution of Revenge, a Pulitzer Prize finalist in 1984, and Half-Jew: A Daughter's Search for Her Family's Buried Past. She is working on a book about the relationship between American anti-intellectualism and political polarization, to be published by Pantheon in 2008. Her photo is by Chris Ramir.

Rev. Susan Brooks Thistlethwaite is professor of theology at Chicago Theological Seminary and senior fellow at the Center for American Progress. She was president of CTS from 1998-2008. Her area of expertise is contextual theologies of liberation, specializing in issues of violence and violation. An ordained minister of the United Church of Christ since 1974, the “On Faith” panelist is the author or editor of thirteen books and has been a translator for two translations of the Bible. Her works include Casting Stones: Prostitution and Liberation in Asia and the United States (1996) and The New Testament and Psalms: An Inclusive Translation (1995). She edited and contributed to Adam, Eve and the Genome: Theology in Dialogue with the Human Genome Project (2003).

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.