Ron served as the Captain of Hotel 2/5 Marines serving in 1968-1969 Ronald J. Drez, a Marine company commander in the Vietnam War, received two Bronze Stars and the Vietnamese Cross of Gallantry. He  is the principal historian and president of Stephen Ambrose Tours, Inc.

Drez. Ron Drez is a decorated combat veteran of the Vietnam War and a former Captain of Marines. He is an award-winning bestselling author and commander. He is President of Stephen Ambrose Historical Tours having served both as friend and associate of the distinguished late historian.