For the four years prior to joining The Film Department, Sacker was Chief Operating Officer of The Yari Film Group, where he was responsible for all of the company's business and legal affairs, finance and operations, and was a critical player in formulating its successful business strategy, in making greenlight decisions (among them on Crash and The Illusionist), and in building the company from inception.

In his three years at Miramax, he was the head of business and legal affairs. Prior to joining Miramax, he served as theatrical counsel and then senior theatrical counsel at Warner Bros. Pictures for four years.

He is a graduate of Cornell University and Yale Law School.