Duncan attended Chaminade College Preparatory from freshman through senior year. He ran cross country and track, played on the tennis team, took photos for the yearbook, competed in Speech and Debate, and served as Senior Class President.
Duncan earned his Bachelor’s degree from the University of Southern California. After working as a stock broker, he joined the Navy with a goal of becoming a Navy SEAL which he attained in 1986, graduating with Basic Underwater Demolition/SEAL Training Class 137. He served as an officer in Special Operations platoons at SEAL Teams One and Five before transitioning to the Navy Reserve while earning his MBA at the University of California, Los Angeles.
Duncan launched Presidio Adventure, a company that provides tactical and adventure-based training to athletes, corporate clients and law enforcement. He was also an adventure correspondent for FOX, ABC and OLN worldwide, earning a National Emmy for Individual Achievement in Sports Broadcasting in 1998.
In 2001, Duncan returned to active duty. His deployments include assignments in Africa as Naval Special Operations Force Commander to the Joint Special Operations Task Force (2003), in Iraq as Special Operations Liaison to General George Casey (2005), and in Afghanistan as Special Operations Liaison Officer to United States Forces – Afghanistan and as Chief of Staff for NATO Special Operations Component Command (2015-2016). In 2005, Duncan was selected to establish and lead the Naval Special Warfare Recruiting Directorate, serving as the liaison to Navy recruiting and managing all SEAL media opportunities. In 2008, he created the concept for and served as the Navy’s producer for the SEAL film Act of Valor.
Captain Smith’s military awards include the Legion of Merit, the Bronze Star, the Defense Meritorious Service Medal, the Combat Action ribbon, and both the Iraq and Afghanistan campaign medals.