General Magnus assumed his duties as Assistant Commandant of the Marine Corps on 8 September 2005.

General Magnus is a graduate of the University of Virginia (1969) and Strayer College (1993). His formal military education includes Naval Aviator Training, U.S. Marine Corps Command and Staff College, and the National War College.

General Magnus' operational assignments include: Intelligence Officer, HMM-264; Operations Officer, H&MS-15 SAR Detachment, Task Force Delta, Nam Phong, Thailand; Training Officer, SOES, MCAS Quantico; Aviation Safety Officer, MAG-26 and HMM-263; Weapons and Tactics Instructor, MAG-26 and HMM-261; Operations Officer, MAG-29; Commanding Officer, HMM-365; Commander, Marine Corps Air Bases Western Area; and Deputy Commander, Marine Forces Pacific.

General Magnus' staff assignments include: Aviation Assault Medium Lift Requirements Officer; Chief, Logistics Readiness Center, Joint Staff; Executive Assistant to the Director of the Joint Staff; Head, Aviation Plans and Programs Branch; Assistant Deputy Chief of Staff for Aviation; Assistant Deputy Commandant for Plans, Policies, and Operations; and Deputy Commandant for Programs and Resources.

General Magnus' retired from active service on 1 September 2008.

Assistant Commandants of the Marine Corps

Marine Corps University