Gary Marple joined Horizon's Board of Director in 2007 and has since held many positions including Chair. A parent of a handicapped daughter and guardian of two handicapped individuals, Marple has a special place in his heart for Behavioral Health. He is a retired U.S. Forest Service Civil Engineer and a Veteran of the U.S. Air Force. He Served as Board Chair of ARC of Central Virginia for 6 years and Board Chair of Horizon for 4 years.