John Horstman has served the Nebraska Athletic Department since 1979. A native of Lincoln, Horstman is a building services technician at the Bob Devaney Sports Center, where he is responsible for maintenance and building service.
Horstman and his wife, Shirley, have a daughter, Pamela, and a son Jeff. Pamela and her husband Matt Brigham, have a son, Noah, while Jeff and his wife, Kristy, have two sons, Kamden and Kasten.