Cooper Trooper: Westwood One syndicated Nights With Elaina Producer/Digital Content Dir. Mackenzie Cooper will join Triple Tigers as Coord./Promotion Sept. 26. She fills the vacancy created by last week's promotion of Hope Garrison (CAT 9/16). “The second I met Mackenzie, I knew she was a Triple Tiger,” says SVP/Promotion Kevin Herring. “She is going to be an amazing asset to our team and roster of artists.” Cooper’s prior stops include WME and Westwood One’s Ty Bentli Show. Reach her here.