Mike Gilbert, director of operations with Amazon Fulfillment, speaks to senior leaders with the 4th Marine Logistics Group, Marine Forces Reserve, about Amazon’s leadership principles at the 4th MLG Senior Leadership Seminar at the Marines’ Memorial Club and Hotel in San Francisco, Sept. 27, 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)