Thomas E. Buckley is a Jesuit who teaches American religious history at the Jesuit School of Theology in Berkeley, Calif. He wrote Church and State in Revolutionary Virginia, 1776-1787 and is working on a study of Jefferson and religious freedom.

Mike Howerton is the lead pastor at Overlake Christian Church in Redmond, Wash., which has been involved locally and internationally in the fight against trafficking.

Dianne Amato is program director of the Mary Magdalene Project, a Los Angeles-based outreach to sex workers.

Bruce Braden edited ‘Ye Will Say I Am No Christian’: The Thomas Jefferson/John Adams Correspondence on Religion, Morals, and Values (Prometheus, 2005), source documents that trace the views of Jefferson and Adams over time.

Karre Shaefer is director of the Kansas branch of Not for Sale: Re-Abolish Slavery and focuses on human rights and ethnic conflict.

Mark Rodgers is dean of the College of Health and Human Services at Marywood University, a Catholic university in Scranton, Pa. His research interests include the prevention of human trafficking, and he has helped train officials in Latvia, Bangladesh, Ecuador and South Africa on how to recognize and combat the problem.

Becky McDonald founded Women at Risk International, a Christian organization that works with trafficked women and is based in Grand Rapids, Mich.

The Rev. Ralph Galloway is co-pastor with his wife, the Rev. Alika Galloway, at Kwanzaa Community Church in Minneapolis, which runs a drop-in center for local sex workers.

Kathy Manis Findley is executive director of Safe Places, a group that shelters and advocates for victims of sexual abuse, domestic violence and human trafficking in Little Rock, Ark. She routinely works with clergy on the issue.