John K. White is a political science professor and fellow at the Life Cycle Institute at Catholic University of America in Washington, D.C.

ReconcilingWorks, formerly known as Lutherans Concerned/North America, works to reconcile members of the Evangelical Lutheran Church in America to full inclusivity of LGBT people. Aubrey Thonvold is the interim executive director. The organization is based in St. Paul, Minn.

David Leege is an emeritus professor of political science at Notre Dame University and spends much of the year in Arizona. Leege is a leading expert on Catholic voting patterns.

Mary Jo Weaver is an emeritus professor of religious studies at Indiana University, Bloomington. She has written on American Catholics in the 20th century, with a focus on the conservative strain among American Catholics.

Michael Horan is a theologian at Loyola Marymount University in Los Angeles who can relate Catholic beliefs to Catholic practice, particularly in the political realm. Horan believes hard-line tactics by bishops to deny communion to abortion rights politicians can backfire.

David J. O’Brien is a professor of Catholic studies at the College of the Holy Cross in Worcester, Mass. He has written and commented widely about Catholics and politics.

WordAlone is a Minnesota-based organization that encourages congregations to leave the Evangelical Lutheran Church in America due to its decisions regarding homosexuality.

William V. D’Antonio is an associate researcher at The Catholic University of America and a fellow of the Institute for Policy Research and Catholic Studies. He is a leading analyst of the changing roles of Catholic laity in society and politics.

Affirmation is an activist, all-volunteer, not-for-profit organization that challenges the United Methodist Church to be inclusive of LGBTQ people around the world. It is based in Evanston, Ill.