Alan F. Segal is professor of religion and Ingeborg Rennert Professor of Jewish Studies at Barnard College, Columbia University. When appointed, the "On Faith" panelist was Columbia 's youngest full professor in the humanities. He served as chair of the Department between 1981-1984 and occasionally thereafter. Prior to Columbia, Segal taught at Princeton University for six years starting in 1974 and at the University of Toronto, where he was given a tenured position. While living in Israel on a 1977-78 Guggenheim Fellowship, he lectured at the Hebrew University of Jerusalem, Tel Aviv University, and Bar Ilan University. In addition to the Guggenheim, he has been awarded fellowships from the Woodrow Wilson Foundation, the American Council of Learned Societies, the National Endowment for the Humanities, and the Annenberg Institute. In 1988, at the Jubilee Celebration in Cambridge England, he was the first Jewish member of the Studiorum Novi Testamenti Societas to address the society. He is a member of the American Society for the Study of Religion and the American Theological Association. Segal holds degrees from Amherst College, Brandeis University, Hebrew Union College -- Jewish Institute of Religion , and Yale University , where he earned his doctorate. His studies have included English literature, psychology, anthropology, comparative religion, Judaica, Christian origins, and Rabbinics. His books include, Two Powers in Heaven (2002), Rebecca's Children: Judaism and Christianity in the Roman World (1986), The Other Judaisms of Late Antiquity (1987) and Paul the Convert: The Apostasy and Apostolate of Saul the Pharisee (1992) and Life After Death: A History of the Afterlife in Western Religion (2004).

Rabbi David Saperstein is the Washington representative of Judaism's Reform Movement as Director of the Religious Action Center of Reform Judaism, a position he has held for 30 years. The "On Faith" panelist also co-chairs the Coalition to Preserve Religious Liberty, and serves on the boards of numerous national organizations including the NAACP and People For the American Way. In 1999, Saperstein was elected first chair of the U.S. Commission on International Religious Freedom created by Congress. The Religious Action Center advocates for a broad range of social justice issues and provides extensive legislative and program materials for synagogues, federations and Jewish community relations councils nationwide. It also coordinates social action education programs that train nearly 3,000 Jewish adults, youth, rabbinic and lay leaders each year. Also an attorney, Saperstein teaches seminars in First Amendment Church-State Law and in Jewish Law at Georgetown University Law School. He co-authored Jewish Dimensions of Social Justice: Tough Moral Choices of Our Time (1998).

William A. Graham is Murray A. Albertson Professor of Middle Eastern Studies in Harvard's Faculty of Arts and Sciences, and John Lord O'Brian Professor of Divinity and Dean at Harvard Divinity School. The "On Faith" panelist's scholarly work has focused on early Islamic religious history, and textual traditions and problems in the history of world religion. Graham has also served as director of Harvard's Center for Middle Eastern Studies, and as chair of the Department of Near Eastern Languages and Civilizations, the Committee on the Study of Religion, the Committee on Middle Eastern Studies, and the College Core Curriculum Subcommittee on Foreign Cultures. He is a former chair of the Council on Graduate Studies in Religion ( U.S. and Canada ). In 2000, the Organization of the Islamic Conference's research arm honored Graham with its Award for Excellence in Research in Islamic History and Culture. Graham is a fellow of the American Academy of Arts and Sciences and has held John Simon Guggenheim and Alexander von Humboldt research fellowships. He is the author of Beyond the Written Word: Oral Aspects of Scripture in the History of Religion (1987, 1993) and Divine Word and Prophetic Word in Early Islam (1977), which won the 1978 American Council of Learned Societies History of Religions Prize. He co-authored The Heritage of World Civilizations (2005) and Three Faiths, One God (2003); and served as an associate editor of the Encyclopaedia of the Qur'an (1998-2006) and co-editor of Islamfiche: Readings from Islamic Primary Sources (1982-87).

Eboo Patel is founder and executive director of the Interfaith Youth Core, a Chicago-based international nonprofit that promotes interfaith cooperation. His blog, The Faith Divide, explores what drives faiths apart and what brings them together. He is the author of Acts of Faith: The Story of an American Muslim, the Struggle for the Soul of a Generation. An American Muslim of Indian heritage, Eboo has a doctorate in the sociology of religion from Oxford University, where he studied on a Rhodes scholarship. He is on the Religious Advisory Committee of the Council on Foreign Relations, the National Committee of the Aga Khan Foundation and the Advisory Board of Duke University's Islamic Studies Center. Eboo is an Ashoka Fellow, part of a select network of social entrepreneurs with ideas that could change the world.

The Reverend William McD. Tully has been rector of St. Bartholomew's Episcopal Church in New York City since September 1994. The first professional calling of the “On Faith” panelist was to journalism, and he worked as a copy boy and local reporter at the Los Angeles Times. As a community worker for the Model Cities program at the Columbia University Graduate School of Journalism, Tully discerned an "underlying call" that turned him toward ordained ministry and study at the General Theological Seminary. After ordination in 1974, he served as curate at the Church of the Epiphany, Manhattan; associate rector at St. Francis Church, Potomac, Maryland; and then as rector of St. Columba's Church, Washington, D.C. The people and mission of St. Columba's taught Tully about church growth, Christian hospitality and hope for the future of the church. Working with a dedicated group of leaders, an enlarged clergy and professional staff at St. Bart’s, Tully has led the church in its growth and renewal. He loves his ministry and is always eager to meet and work with others who have found a home and a ministry at St. Bart's.

For more than 40 years, “On Faith” panelist Rabbi Adin Steinsaltz has devoted himself to the monumental undertaking of translating and reinterpreting the Talmud, the vast collection of rabbinic writings that constitute Jewish civil and religious laws. Steinsaltz, who lives in Jerusalem, began this task in 1965, when he founded The Israel Institute for Talmudic Publications. The Steinsaltz Edition of the Talmud, of which 37 volumes have been published so far, has made the Talmud accessible to tens of thousands of Hebrew speakers. In 1989, he began producing an English edition of 22 volumes. Since 1994, 15 volumes have been published in French, and four have appeared in Russian. The Talmud project has been described as the most important Jewish publication endeavor of the 20 th Century. Steinsaltz has written some 60 books and hundreds of articles on a wide variety of topics, including Hasidism and the Jewish mystical tradition of Kabbalah. One of his most popular books is The Thirteen Petalled Rose , which he describes as “a little book for the soul.” In 1989, Steinsaltz established a Russian branch of Mekor Chaim--the first Jewish institution to receive official recognition in the former Soviet Union . He also founded the Aleph Society, and the Mekor Chaim Educational Institutions. In 1988, Steinsaltz received the prestigious Israel Prize--his nation's highest honor. He has lectured at major universities and research institutions in the United States and Europe, including Princeton University , Yale University , Columbia University , the Woodrow Wilson Center , Oxford University and the Sorbonne.

"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.

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 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.

"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.

Arnold M. Eisen is the seventh chancellor of The Jewish Theological Seminary. One of the world's foremost experts on American Judaism, Chancellor Eisen has worked closely for the past twenty years with synagogue and federation leadership around the country to analyze and address the issues of Jewish identity, the revitalization of Jewish tradition, and the redefinition of the American Jewish community. A product of the Conservative Movement, Chancellor Eisen has regularly served as a faculty member of the Wexner Heritage Program, the Wexner Fellowship, and the Nahum Goldmann Fellowship of the Memorial Foundation for Jewish Culture. He has served, and is now serving again, as a member of the Board of Governors of the Jewish Agency and has long been known as a passionate advocate of strengthening the connection between American Jews and Israel. Chancellor Eisen's publications include a personal essay, Taking Hold of Torah: Jewish Commitment and Community in America (1997); a historical work entitled Rethinking Modern Judaism: Ritual, Commandment, Community (1998); and The Jew Within: Self, Family and Community in America (2000), co-authored with sociologist Steven M. Cohen. He is currently at work on a book that probes new possibilities for the meaning of Zionism.

Richard J. Mouw has served as president of Fuller Theological Seminary since 1993, after four years as provost and senior vice president. A philosopher, scholar, and author, the “On Faith” panelist has been recognized as an important voice among reform-oriented evangelicals. Mouw, who earned a doctorate in philosophy from the University of Chicago, has a broad record of publication with 16 books, including Consulting the Faithful, and Calvinism in the Las Vegas Airport and his articles have appeared in more than 50 journals and magazines. Currently he serves on the editorial board of Books and Culture as is a regular columnist on “Beliefnet.” Mouw has served on many councils and boards, including the Commission on Accreditation for the Association of Theological Schools (as chair) and the Council on Civil Society. He currently serves on advisory boards for Religion and Ethics Newsweekly, the International Justice Mission, and the International Center for Religion and Diplomacy.

"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).

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.

Irish-born John Dominic Crossan is a professor emeritus in the religious studies department at DePaul University in Chicago. Between 1950 and 1969, he was a member of a 13th-century Roman Catholic religious order, the Servites, and remained an ordained priest from 1957 to 1969. He has delivered lectures to secular and lay audiences from Scandinavia to Australia to Japan to South Africa. The On Faith panelist has authored 23 books and his writings have been translated into 11 languages. His work focuses on the historical Jesus, earliest Christianity and the historical Paul. Core titles include “The Historical Jesus,” “The Birth of Christianity” and “In Search of Paul,” co-written with archaeologist Jonathan L. Reed. Dr. Crossan’s next book, “God & Empire: Jesus Against Rome Then and Now,” is scheduled for publication in February. The professor earned a doctor of divinity degree at St. Patrick’s College in Maynooth, Ireland and a humanities doctorate at Stetson University in Florida. The American Academy of Religion and DePaul and Stetson universities have recognized him with awards for scholarly excellence. His Web site is www.johndominiccrossan.com.

Baroness Julia Neuberger is an ordained rabbi and member of Britian's House of Lords. The "On Faith" panelist also is a trustee of the British Council, Jewish Care, and the Booker Prize Foundation, as well as founding trustee of the Walter and Liesel Schwab Charitable Trust. She has served as Chairman of Camden & Islington Community Health Services NHS Trust and Chief Executive of the King's Fund—a major independent health charity. Currently she chairs the Commission on the Future of Volunteering in England . In the House of Lords, she is a Liberal Democrat member and in early 2006 she was Bloomberg Professor at Harvard University Divinity School . Neuberger writes, speaks, makes trouble, and has published several books, of which the latest is The Moral State We're In (2006). She is working on a book about old age, and thinking about a new book on death and dying, as well as one as a counterblast to Richard Dawkins on why religion is so important in the rather godless United Kingdom.

"On Faith" panelist James Anderson is a retired Episcopal priest, an almost full-time volunteer in the community, a part-time farm manager, and independent writer. Anderson was one of four founders of the Alban Institute in Washington, D.C., and served as first president of its board. The Institute has grown to become one of the most respected sources of help in the nation to local congregations. Anderson is the author or co-author of three books on ministry in the local church: To Come Alive (1973) and The Management of Ministry (1978), co-authored with Ezra Earl Jones, have been widely used in the training and education of clergy. Anderson, who has wide experience as an advisor and consultant to a variety of religious organizations, also served as assistant to the Bishop for Congregational Development for the Episcopal Diocese of Washington and director of Field Studies for the Cathedral College of the Laity at the Washington National Cathedral. He's currently writing a book with Bishop Jane Holmes Dixon examining the 40-year history of the effort to fully integrate women into the ordained ministry of the Episcopal Church.

"On Faith" panelist Jonathan D. Sarna is the Joseph H. & Belle R. Braun Professor of American Jewish History at Brandeis University and Director of its Hornstein Jewish Professional Leadership Program. Sarna served two terms as chair of Brandeis' Department of Near Eastern & Judaic Studies. He now chairs the Academic Advisory and Editorial Board of the Jacob Rader Marcus Center of the American Jewish Archives and is chief historian of the National Museum of American Jewish History in Philadelphia . Before returning to his alma mater to teach in 1990, Sarna was on the faculty of Hebrew Union College-Jewish Institute of Religion in Cincinnati from 1979-1990. There, he was Professor of American Jewish history and Director of the Center for the Study of the American Jewish Experience. He has also taught at Yale University , where he earned his doctorate in 1979, at the University of Cincinnati , and at the Hebrew University in Jerusalem . The Forward newspaper named Sarna one of America 's 50 most influential American Jews. He has written, edited, or co-edited more than 20 books, including the acclaimed American Judaism: A History, which won the Jewish Book Council's “Jewish Book of the Year Award” in 2004.

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.

Susan Jacoby is the author of "The Age of American Unreason," to be published in February by Pantheon. 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.

The Rev. Susan Brooks Thistlethwaite, is the 11th President of Chicago Theological Seminary. She has been a Professor of Theology at the seminary for 20 years and director of its graduate degree center for five years. 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). Since the September 11, 2001 terrorist attacks, Thistlethwaite has been working diligently to promote peace, including a presentation at the U.S. Institute of Peace, which appears in one of their special reports. Most recently she edited and contributed to Adam, Eve and the Genome: Theology in Dialogue with the Human Genome Project (2003).

The Reverend William J. Byron, S.J., a former president of Catholic University, is on leave this year from his position as research professor at the Sellinger School of Business and Management, Loyola College in Maryland to serve as president of St. Joseph's Preparatory School in Philadelphia. The “On Faith” panelist served as interim president of Loyola University , New Orleans in 2003-04 and for three years prior to that, was pastor of Holy Trinity Catholic Church in Washington , D.C. From 1992 to 2000, he taught "Social Responsibilities of Business" at Georgetown University , where he was Distinguished Professor of the Practice of Ethics and served as rector of the Georgetown Jesuit Community. He was president of Catholic University for a decade (1982-92). Byron writes a syndicated bi-weekly column, Looking Around , for Catholic News Service, and is the author of a dozen books, including A Book of Quiet Prayer (2006); The Power of Principles: Ethics in the New Corporate Culture (2006) and Answers from Within: Spiritual Guidelines for Managing Setbacks in Work and Life (1998) . A founding director and past chairman of Bread for the World , Byron was also named the 1999 recipient of the Association of Catholic Colleges and Universities' Theodore M. Hesburgh Award for his contributions to the advancement of Catholic higher education. In that same year, he received the Council of Independent Colleges' Academic Leadership Award. Byron, who holds a doctorate in economics as well as theology degrees, served in the U.S. Army's 508 th Parachute Infantry Regiment before entering the Jesuit order in 1950. He was ordained a priest in 1961.

"On Faith" panelist Starhawk is a prominent voice in modern Wiccan spirituality and cofounder of Reclaiming (www.reclaiming.org), an activist branch of modern Pagan religion. She is the author or coauthor of ten books, including The Spiral Dance: A Rebirth of the Ancient Religion of the Great Goddess (1979) --considered an essential text for the Neo-Pagan movement--and the novel The Fifth Sacred Thing (1993) . Her works have been translated into Spanish, French, German, Danish, Dutch, Italian, Portuguese, Polish, Greek, Japanese, and Burmese. Many of Starhawk's political essays were collected into her book Webs of Power: Notes from the Global Uprising . Her newest book is The Earth Path: Grounding Your Spirit in the Rhythms of Nature . Starhawk has also recorded several tapes and CDs; most recently Wicca for Beginners (2002), Wiccan Rituals and Blessings (2003), and a four-CD set Earth Magic (2006), all produced by Sounds True. She consulted on and contributed to three films known as the Women's Spirituality series, directed by Donna Read for the National Film Board of Canada: Goddess Remembered, The Burning Times, and Full Circle . Committed to bringing the techniques and creative power of spirituality to political activism, Starhawk travels internationally teaching magic, the tools of ritual, and the skills of activism.