Rev. Gabriel Salguero is a pastor and executive member of the Latino Leadership Circle. The "On Faith" panelist is also director of the Hispanic Leadership Program at Princeton Theological Seminary. He received his M.Div. from New Brunswick Theological Seminary and is a Ph.D. candidate in Christian social ethics at Union Theological Seminary in New York. He and his wife, Jeanette, co-pastor the multicultural Lamb’s Church of the Nazarene in New York City. He serves on the board of Sojourners. Gabriel has been called one of the emerging voices of Latino evangelicals. He also serves as a member of the Equal Employment Advisory Commission for the state of New Jersey.

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.

"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).

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."