G.S. "Mack" McCarter is the founder and coordinator of Community Renewal International. Before returning in 1994 to his native Shreveport to implement his vision, Mack pastored churches in Texas for eighteen years. There are now more than 50,000 "We Care" team members in every state and forty-one nations. Ten cities in the United States are reproducing the Shreveport model of connecting caring people, changing lives, and transforming communities. Mack and his wife Judy live in Shreveport, LA, and Washington, DC.

Tim Muldoon teaches in the philosophy department at Boston College and is the author or co-author of ten books including The Ignatian Workout and, with his wife Sue, The Discerning Parent. His books and essays are used frequently in college courses, faculty discussion groups, and retreats. He and Sue reside outside of Boston.