Henry Blackaby is founder and president emeritus of Blackaby Ministries International, an organization built to help people experience God. He and his wife Marilynn have five children and fourteen grandchildren and live in Rex, Georgia.

Richard Blackaby is president of Blackaby Ministries International and the oldest child of Henry and Marilynn Blackaby. He holds degrees from the University of Saskatchewan, Southwestern Baptist Theological Seminary, and Dallas Baptist University. He lives with his wife and children in Canada.

Claude King is editor-in-chief for undated resources at LifeWay Christian Resources. He holds degress from Belmont College and New Orleans Baptist Theological Seminary and lives with his wife in Murfreesboro, Tennessee