Roberts Liardon has preached in more than eighty countries with extensive ministry in Europe, Asia, and Africa. He founded Roberts Liardon Ministries, along with the multi-faceted outreaches of Embassy Christian Center, Embassy Ministerial Association, and Operation 500. His four-dozen-plus books have been translated into over fifty languages and circulated throughout the world. As founder of the Reformers and Revivalists Historical Museum, Roberts also fervently pursues research of our Christian heritage, which he has documented in God's Generals: Why They Succeeded and Why Some Failed, God's Generals: The Roaring Reformers, and God's Generals: The Healing Evangelists. His ministry is now based in Sarasota, Florida.