Colonel David Giammona is an author, writer, and speaker. U.S. Army Chaplain (Col.) Giammona retired in June 2018 after 32 years of military service. His last assignment was the Installation Management Command (IMCOM) in San Antonio, Texas, where he was responsible for religious support on all 75 Army installations around the world. Giammona is an ordained Assemblies of God minister since 1988. He is a native of Sacramento, California. His education includes a Master of Divinity, Golden Gate Baptist Seminary; Master of Science in Counseling – Marriage/Family Therapy, Columbus State University; and a Master of Strategic Studies (MSS), Army War College.

Colonel David Giammona is the President of Battle Ready Ministries, a U. S. Army Chaplain, Retired, with 32 years in the military; an end-times expert, scholar, and author.