Prior to joining The Roosevelt Group in 2019, Lt Gen Tryon worked as the senior fellow in international leadership in the Hicks Honors College at the University of North Florida. He joined the Wounded Warrior Project® (WWP) Advisory Council in 2015 and now serves on the WWP Board of Directors. Lieutenant General Tryon retired from the Marine Corps in August 2014. In 2004, he was assigned as commanding general of Marine Corps Recruit Depot Parris Island and the Eastern Recruiting Region and subsequently as commanding general of Marine Corps Recruiting Command, Quantico, Virginia, in June 2006. In June 2008, he assumed command of 2nd Marine Division, Camp Lejeune, North Carolina. One month later, he further assumed duties as commanding general, II Marine Expeditionary Force (Forward). Upon deployment to Iraq in January 2009, he was designated as the commanding general, Multinational Force—West. In January 2010, he returned to Camp Lejeune, relinquishing command of II Marine Expeditionary Force (Forward) in February 2010 and 2nd Marine Division in July 2010. In October 2010, he was selected as deputy commandant for Plans, Policies, and Operations. He assumed duties as commander, U.S. Marine Corps Forces Command and U.S. Marine Corps Forces Europe in June 2013.

Lieutenant General Tryon enlisted in the U.S. Navy in 1970 and was commissioned a second lieutenant in the Marine Corps in 1975 upon graduation from the Naval Academy. After a tour at Recruiting Station New York, he attended Amphibious Warfare School in 1983. He attended the U.S. Army Command and General Staff College in 1987, concurrently earning a master’s degree in management from Webster University. He attended The Johns Hopkins University School of Advanced International Studies and received a master’s degree in international public policy in 1998.