When You Mich Upon A Star: Summit/Louisville DOS Derek Falter has joined Cumulus/Grand Rapids & Muskegon, MI as VP/MM for the eight-station group that includes Country outlets WLAW/Muskegon and WTNR/Grand Rapids. “Derek is a proven leader who has a passion for the impact that local audio brands have in a community and an appreciation for the growth potential of complementing that impact with digital solutions for audiences and local businesses,” says Cumulus Pres./Operations Bob Walker. Falter joined Summit in March following time with Curtis Media/Coastal Carolina; Hubbard/Northern Minnesota; and Townsquare/Duluth, MN. Reach Falter here. No word on plans for the position in Louisville, which includes sales oversight for Country WQNU.