Col. Gaivin joined the faculty at the U.S. Naval War College in 2019. He holds a bachelor's in social science, a master's in business and supply chain management and a master's in national security and strategic studies. His most recent assignment was as the chief of sustainment, ACofS, G4, 2nd Infantry Division, South Korea. He was commissioned as a quartermaster officer through the Army's Officer Candidate School in 1999. His assignments include serving in Germany, South Korea, Washington, North Carolina, New York and Alaska. He has operational and combat deployments to Kuwait, Iraq and Afghanistan.