Retired Lt. Col. Joseph Shusko, director of the Marine Corps Martial Arts Center of Excellence, explains MCMAP techniques and philosophy to the participants of the Marine Corps Executive Forum on July 18, 2014. Seventeen civilian leaders attended the forum, learning about various aspects of the Marine Corps. - Retired Lt. Col. Joseph Shusko, director of the Marine Corps Martial Arts Center of Excellence, explains MCMAP techniques and philosophy to the participants of the Marine Corps Executive Forum on July 18, 2014. Seventeen civilian leaders attended the forum, learning about various aspects of the Marine Corps.