04/08/2013 11:37:21 AM MDTDirector Derek Cianfrance, right, believes he wouldn t be working with stars such as Bradley Cooper if not for the time he spent studying film at CU. (Courtesy photo)Related StoriesApr 5:'Pines' director credits CU for his success'Pines' digs deep into tricky father-son relationshipsDirector Derek Cianfrance grew up in the Denver suburb of Lakewood and spent the better pa