He also earned a Master of Fine Arts from the USC School of Cinema-Television's Peter Stark Producing Program.
[4] Greenblatt began his television career at the Fox Broadcasting Company, where he ran prime-time programming and developed such shows as the original Beverly Hills, 90210 and Melrose Place, The X-Files, and Party of Five.
[8] He supervised a slate of original programming that dramatically repositioned the pay channel as a leader in the premium cable business.
Under his leadership, he developed and supervised award-winning shows like Weeds, Dexter, Californication, The Tudors, Nurse Jackie, and United States of Tara.
[10] He was responsible for helping oversee the development of HBO Max, the company's streaming service which launched in May 2020.