It's A 'MAD, Mad, Mad, Mad World: Mid-West Family KQYB/La Crosse, WI MD/afternoon host Isaac Wenzel will join iHeartMedia WMAD/Madison, WI for middays May 6. Wenzel will also serve as Dir./Promotions for the cluster. On-air, he succeeds Matt Gapske, who departed in March (CAT 3/7). Wenzel's previous career stops include Rochester, MN; Winona, MN and Saint Louis Park, MN. Reach him here.