Marvin M. Ellison is Willard S. Bass Professor of Christian Ethics at Bangor Theological Seminary in Maine, author of Same-Sex Marriage? A Christian Ethical Analysis and an ordained minister in the Presbyterian Church (USA).

Mel White is founder and director of SoulForce, an interfaith group committed to “ending spiritual violence perpetuated by religious policies and teachings against gay, lesbian, bisexual and transgender people.”

Charles A. Cesaretti is executive director of the Center for Sexuality and Religion, which helps faith communities sexual spiritual health and justice. It is based in Wayne, Pa.

Lou Sheldon is chairman of the Traditional Values Coalition, a conservative group that wants a constitutional amendment that would ban same-sex marriage, ban same-sex unions and ban gays from receiving benefits of any such unions.

Beverly LaHaye is founder and chairman of the Concerned Women for America, a conservative group that opposes same-sex marriage.

Glenn Stanton is the director for Family Formation Studies at Focus on the Family in Colorado Springs.

Maggie Gallagher is president of the Institute for Marriage and Public Policy in Washington. D.C. and a co-author of The Case for Marriage.

Michael Galloway is the chairman of Your Catholic Voice, a conservative Catholic group that supports a constitutional ban on same-sex marriage.

Pastor John C. Hagee is the founder and senior pastor of Cornerstone Church in San Antonio, Texas, and the founder and president of John Hagee Ministries.