John Jansen currently serves as the CEO of ATI. After 35 years of dedicated service, LtGen Jansen retired from the U.S. Marine Corps in 2021. As the Deputy Commandant for Programs and Resources within Headquarters, LtGen Jansen served as the principal advisor to the Commandant of the Marine Corps and the principal spokesman within the Department of Defense and with Congress on matters of the Marine Corps’ five year program, annual budget, current year fiscal execution, and audit.
A decorated Marine F/A-18 pilot, he completed multiple combat tours, both shore-based and flying from U.S. Navy aircraft carriers. For more than three decades, LtGen Jansen led Marines in first-response, security and high-risk combat operations around the globe to include nine overseas deployments.