Devon Marner has over 20 years of experience in the United States Navy, retiring at the rank of Machinist's Mate Second Class in 2011. He has extensive experience operating and maintaining naval ship propulsion systems and auxiliary equipment. Additionally, he has qualifications in nuclear engineering, shipboard firefighting, security, and safety management. More recently, he managed housing operations for over 4,500 naval residents. Marner has received numerous achievement and service awards over his career.