Rabbi Irwin Kula is the President of CLAL-The National Jewish Center for Learning and Leadership, a leadership training institute, think tank and resource center in New York. The “On Faith” panelist has served as rabbi of congregations in St. Louis, New York City and Jerusalem. He is author of “Yearnings: Embracing the Sacred Messiness of Life” (Hyperion, Sept. 2006)  winner of a “Books for a Better Life Award,” and selected by Spirituality & Health magazine as one the “10 Best Spiritual Book of 2006.” He is a regular guest on NBC-TV’s “The Today Show,” and co-host of the popular weekly radio show, Hirschfield and Kula, airing on KXL in Portland, Ore. In 2007 he was identified as one of the “Top 50 Rabbis in America,” by Newsweek. He is co-founder of the Aitz Hayim Center for Jewish Living in Chicago. He received his B.A. in Philosophy from Columbia Univ., his B.H.L. from the Jewish Theological Seminary of America (JTSA) in NY, and his M.A. in Rabbinics and Rabbinic Ordination from JTSA. He has served as rabbi of congregations in St. Louis, MO; Queens, NY; and Jerusalem, Israel.

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.

He also earned a doctorate in moral theology at the Pontifical University of the Holy Cross in Rome. Monsignor Bohlin was ordained a priest for the Prelature of Opus Dei in 1997. Prior to coming to New York as the head of Opus Dei in the United States, he worked for the five years with Opus Dei’s Prelate, Bishop Javier Echevarría, at Opus Dei's international headquarters in Rome as chancellor for Opus Dei. Monsignor Bohlin has spoken about faith issues on such news programs as “Hardball with Chris Matthews” and “Meet the Press.” Opus Dei has 87,000 members worldwide and 3,000 in the United States. Pope John Paul II canonized Opus Dei’s founder, Saint Josemaría Escrivá, in 2002, calling him “the saint of ordinary life."

"On Faith" panelist Chester Gillis is the Amaturo Chair of Catholic Studies at Georgetown University where he has served on the faculty since 1988. He was chair of the Department of Theology from 2001 to 2005. He holds degrees in philosophy and religious studies from the Catholic University of Louvain in Belgium and earned his Ph.D. at the University of Chicago. His research interests include comparative religion and contemporary Roman Catholicism. He is the author of "A Question of Final Belief: John Hick’s Pluralistic Theory of Salvation" (1989), "Pluralism: A New Paradigm for Theology" (1993), "Roman Catholicism in America" (1999), "Catholic Faith in America" (2003) and editor of "The Political Papacy" (2006). He is co-editor of the Columbia University series Religion and Politics. He is a Fellow in the Berkley Center for Religion, Peace, and World Affairs at Georgetown, and is the Director of Georgetown’s Program on the Church and Interreligious Dialogue.