After 18 1/2 years at Innovative Artists, Marnie Sparer is switching to management, joining the Coronel Group. She is bringing with her clients Billy Miller — two-time Emmy winner for The Young & the Restless — Justin Bruening (Grey’s Anatomy), Zach Roerig (The Vampire Diaries), Jake Weary, Joe West, John Lavelle, Zach Roerig, Joe West (The Sound of Music Live), Joey Bicicchi (Rudderless) and Nadia Dajani, with more expected to follow. At Coronel Group, Sparer will work alongside managers Leanne Coronel, Tom Spriggs and Jacob Israel.