The Fitchburg company specializes in high-end audio and visual systems for cars, homes and boats.
Gundlach owns 30 gyms and is the top franchisee for the Minnesota-based company that has more than 3,000 locations worldwide.
An Anytime Fitness club opened this month at 1209 Highway 18 in Mount Horeb, and another is set to open Feb. 1 at 1400 Prairie St. in Prairie du Sac.
Andy Gundlach, who owns 18 Anytime Fitness clubs in the Madison area, started his professional career at Pizza Hut. That appears to prove that someone who loves pizza can still be fit.