He was born October 25, 1931 in Oconto to the late Paul and Agnes Prettyheart Gunderson. Gundy worked at Scott Paper Co., Oconto Falls, for 35 years. He served in the Army during the Korean Conflict from June 17, 1949 to June 2, 1952. He served with 99th F. A. Battalion and received the Purple Heart. He was a member of the James Modrow Young Post of the American Legion.