A. Richard Bullock is an associate clergy member at St. Michael & All Angels Episcopal Church in Portland, Ore., and co-author of Clergy Renewal: The Alban Guide to Sabbatical Planning.

The Rev. G. Lloyd Rediger of Albuquerque, N.M., is an author, speaker and trainer and is ordained in the Presbyterian Church (U.S.A.). His books include Coping With Clergy Burnout and Clergy Killers: Guidance for Pastors and Congregations Under Attack.

H.B. London Jr. is vice president of ministry outreach/pastoral ministries at Focus on the Family in Colorado Springs, Colo., and co-author of Pastors at Greater Risk: Real Help for Pastors From Pastors Who’ve Been There. London is also a fourth-generation minister.

Kent Ira Groff is founding mentor at Oasis Ministries and the author of Clergy Table Talk (2012), in which he discusses physical, spiritual and emotional burnout among clergy. His home office is in Denver.

Charles W. Mueller is a professor emeritus of sociology at the University of Iowa, Iowa City. He has written about clergy-congregation mismatches and clergy job satisfaction.

Dr. Gwen Wagstrom Halaas is a physician and associate dean of the University of North Dakota School of Medicine and Health Sciences. She is the author of The Right Road: Life Choices for Clergy, in which she discusses the stress and other health threats faced by many clergy members. Halaas is married to a Lutheran minister.

The Rev. Donald B. Cozzens is writer-in-residence in the religious studies department at John Carroll University, University Heights, Ohio. His books include The Changing Face of the Priesthood: A Reflection on the Priest’s Crisis of Soul.

Cecil Williams has been the pastor of the 7,000-member Glide Memorial United Methodist Church, in San Francisco’s gritty Tenderloin district since 1963. He is a spiritual, political and social force in the Bay Area, and the church is a leading voice in promoting diversity of all sorts, social activism and community programs.

Barney Self is a licensed marriage and family therapist . He has counseled ministers and their families for eight years through a program run by the Southern Baptist Convention’s LifeWay Christian Resources. He is now pastoral counseling minister at Forest Hills Baptist Church in Nashville.