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.

James N. Gregory is a history professor at the University of Washington and director of the Seattle Civil Rights and Labor History Project. Among books he has written is The Southern Diaspora: How the Great Migrations of Black and White Southerners Transformed America (The University of North Carolina Press, 2006).

Charlyn M. Singleton is president of God’s Woman Conferences, based in Rialto, Calif. She is a motivational and revival speaker, working with youth, women and men at conferences, marriage events, retreats, workshops and worship services.

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.

Michael Lane Morris is associate professor of management at the University of Tennessee in Knoxville. He has studied the effects of stress on clergy and their families.

Reginald A. Bruce is associate professor of management at the University of Louisville’s College of Business. He has done much research on pastoral leadership, including a 2005 paper titled “Leadership in High Performing Congregations: Uncovering the Secrets of Success.”