Matt Donnelly Senior Film WriterTop CAA media finance agent Maren Olson has joined 30West as executive vice president of film, it was announced Wednesday.Olson will work alongside 30West’s Trevor Groth to manage the label’s slate. This includes the upcoming “The Trashers” starring David Harbour and directed by Sundance breakout Cooper Raiff, as well as the thriller “Day Drinker” from director Marc Webb.Olson spent 7 years at CAA working alongside Media Finance chiefs Roeg Sutherland and Ben Kramer.