Henry T. Blackaby is the author of Experiencing God , which has sold 5 million copies and has been translated into 50 languages. He describes Called and Accountable as his sequel to that work. Henry is president of Blackaby Ministries International, an organization he founded to help people experience God in a more intimate way. Born in British Columbia, he has devoted his lifetime to ministry. Henry has served as a music director, education director, and pastor in churches in California and Canada, as well as president of Canadian Baptist Theological College for seven years and president of the Canadian Southern Baptist Conference. He went on to serve as special assistant to the president at the Home Mission Board (now North American Mission Board) of the Southern Baptist Convention in the area of prayer, revival, and spiritual awakening. He also served as special assistant to the presidents of the International Mission Board and LifeWay Christian Resources.

He has provided leadership to thousands of pastors and laymen across North America and has spoken internationally in more than 90 countries of the world. Henry lives with his wife, Marilynn, in Rex, Georgia. He has five children (Richard, Tom, Melvin, Norman, and Carrie), all of whom are serving in Christian ministry, and 14 grandchildren. His long-range goal is to encourage revival and spiritual awakening in the United States, Canada, and across the world through speaking, praying, enlisting, writing, and mentoring.