Paul Fellowes, Marine Corps and Navy headquarters account executive with Microsoft Federal, briefs Marines with 4th Marine Logistics Group, Marine Forces Reserve, at Microsoft’s San Francisco Sales Office, Sept. 26, 2015. Senior leaders with 4th MLG gathered in San Francisco to discuss leadership challenges within 4th MLG and to learn how civilian corporations apply leadership principles within their organizations. (U.S. Marine Corps photo by Cpl. Ian Leones/Released)