Cynthia S. W. Crysdale is associate professor for the School of Theology and Religious Studies at Sewanee: The University of the South. She wrote “Christian Marriage and Homosexual Monogamy” for the book Our Selves, Our Souls and Bodies: Sexuality and the Household of God (Crowley Press, 1996).

Carol Sanger teaches family law at Columbia University Law School in New York City.

Barbara A. Babb is a family law professor at the University of Baltimore in Maryland. She has spoken on the legal issues involved with same-sex marriages.

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).

Nancy Cott is a history professor at Harvard and author of Public Vows: A History of Marriage and the Nation (Harvard University Press, 2001).

Michael J. Klarman is a professor of law at Harvard University. He is an expert in constitutional law, constitutional theory and constitutional history.

Vikram Amar is a professor of law at the University of Illinois College of Law and an expert on constitutional law.

Michael C. Dorf is a professor at Columbia University Law School. He is an expert on constitutional law.

Jon W. Davidson is Legal Director at Lambda Legal, a national legal organization committed to achieving full recognition of the civil rights of lesbians, gay men, bisexuals, transgender people and those with HIV.