Major General Janson D. Boyles was initially appointed Adjutant General of Mississippi by Governor Phil Bryant on September 1, 2016 and reappointed Adjutant General of Mississippi on January 14, 2020 by Governor Tate Reeves. General Boyles serves as the Commanding General of both the Mississippi Army and Air National Guard. He is responsible for providing the state of Mississippi and the United States of America with a ready force of more than 12,000 Citizen Soldiers and Airmen, equipped and trained to respond to any contingency, natural or manmade.

General Boyles was commissioned in 1982 through the ROTC program at Mississippi State University with a BS in Engineering. Initially commissioned as an Army Medical Department of the United States Army officer, he later re-commissioned in the United States Army Engineer Corps. In 2005, as the Deputy Commander, 168th Engineer Group, General Boyles staffed the engineering response to Hurricane Katrina in Mississippi. In 2008, he deployed to Afghanistan in support of Operation Enduring Freedom with the 168th Engineer Brigade as Deputy Commander supporting the 101st and 82nd Airborne Divisions. In 2012, he was promoted to Brigadier General and assigned as Commander, 184th Sustainment Command, overseeing missions ranging from state disaster relief to federal combat rotations. In 2015, he served as Chief of Staff, NATO, Division Headquarters, Kosovo.

Boyles is a native of Jackson, Mississippi, where he is a career insurance agent. He is a member of the Chartered Property Casualty Underwriters and is the former president of the Mississippi State University Alumni Association.