Mark W. Woodruff enlisted in the Marine Corps in July 1967, serving in Vietnam with Foxtrot Company, 2nd Battalion, 3rd Marine Regiment from December 1967 to December 1968. After leaving the Marine Corps, he received his B.A. and M.A. in psychology from Pepperdine University in California. He is now a lieutenant commander in the Royal Australian Navy and a psychologist with the Vietnam Veterans Counseling Service in Perth, Australia. He is also the author of Foxtrot Ridge.