Major General John Admire was born in Tulsa, Oklahoma, and is a graduate of the University of Oklahoma. His military service with the United States Marines began as an Infantry Platoon Leader in Vietnam, where he later became an Infantry Battalion Advisor to the Vietnamese Marine Corps in Vietnam. This was followed by Marine leadership in Guantanamo Bay, Cuba, Okinawa, Japan, and the Persian Gulf.
His career included service as the Senior White House Military Aide for President and Mrs. Carter. Later he was branch chief for the Operations Directorate at the US European Command Headquarters in Germany, and Vice Director for Strategic Plans and Policy Joint Staff at the Pentagon, in Washington, D.C. Following his retirement as a major general, he began a career dedicated to youth education and development, community service, and continued service to his country, afterwards becoming president of the Oak Ridge Military Academy in North Carolina.