Witter is in his fourth season at UWSP in 2026-27. He has spent six years as a collegiate coach and 38 years at the high school level.
He is in the in the Wisconsin Basketball Coaches Hall of Fame. Witter is also in the Newman Catholic Hall of Fame as a player and a coach.
As a player, Witter was all-conference and MVP in both football and basketball at Mount Senario College.