Lieutenant General Roger Charles Schultz was commissioned as an Infantry Officer upon graduation from the Iowa Officer Candidate School in 1967. His first duty assignment was as a Platoon Leader, with 2nd Battalion, 22nd Infantry Regiment in Vietnam.

His subsequent duty assignments were: Scout Platoon Leader, 2nd Battalion, 22nd Infantry Regiment in Vietnam; Commander, Company B, 2nd Battalion, 133rd Infantry; Commander, 1st Battalion, 168th Infantry; Chief of Staff, Iowa Army National Guard; Commander, 2nd Brigade, 34th Infantry Division; Deputy Adjutant General, Iowa National Guard; Deputy Adjutant General and Deputy Director of the Army’s Directorate for Mobilization Support; and Director of the Army National Guard until retiring in 2005. After retiring from the military, Lieutenant General Schultz served as Vice President of Unitech, Program Management Director of Lockheed Martin, and Senior Vice President and Chief Operating Officer of SENTEL Corporation. In 2015, Lieutenant General Schultz was named president of the Army Historical Foundation, the fundraising entity of the National Museum of the United States Army.

His military education consists of: Iowa Infantry Officer Candidate School, Infantry Officer Basic Course, USA School of the Americas Jungle Expert, Infantry Officer Advanced Course, Command and General Staff College and US Army War College.

His highest military awards include: Distinguished Service Medal, Silver Star, Legion of Merit (2nd Award), Bronze Star Medal, Purple Heart (2nd Award), Meritorious Service Medal (3rd Award), Combat Infantryman Badge, National Defense Service Medal (with Bronze Star Device) Vietnam Service Medal (with 3 Bronze Stars), Global War on Terrorism Service Medal, Humanitarian Service Medal, Republic of Vietnam Gallantry Cross (with Gold and Silver Star), Republic of Vietnam Campaign Medal (with "60" Device), Republic of Vietnam Gallantry Cross (with Palm Unit Citation), and Republic of Vietnam Civil Actions Unit Citation.