Sieben is in his second season as an assistant coach for SJU in 2018-19. A 1994 graduate of Saint John’s, coached as an assistant at Sartell-St. Stephen High School for 18 years before serving as head coach at Albany High School for two seasons. Sieben completed his master’s degree in education from Saint Mary’s and currently teaches mathematics at Albany High School. He and his wife, Juli, reside in Sartell with their four children.