Career[edit]

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.^[3][4]


From 1997 to 2003, Greenblatt was a producer (along with David Janollari through their production company, The Greenblatt Janollari Studio) of over a dozen series for various networks, including Six Feet Under, along with the 2005 miniseries Elvis and Gregory Nava's American Family for PBS.^[3][4]


From 2003 to 2010, Greenblatt was President of Entertainment for Showtime.^[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.^[3][4]


As a theatrical producer, Greenblatt developed the musical stage adaptation of 9 to 5, which premiered on Broadway in April 2009 and closed September 2009, with the National Tour starting in September 2010. It was nominated for four Tony Awards.^[3][4]


Greenblatt was the chairman of NBC Entertainment. He succeeded Jeff Gaspin in January 2011 after Comcast took control of the newly renamed NBCUniversal.^[3][9]


On March 4, 2019, Greenblatt was named as the chairman of WarnerMedia Entertainment as part of AT&T's reorganization of WarnerMedia. He oversaw HBO, Cinemax, TBS, TNT and TruTV.^[10] He was responsible for helping oversee the development of HBO Max, the company's streaming service which launched in May 2020.^[11] He was fired from WarnerMedia in August 2020 amid restructuring.^[12][13] More recently, he launched his own production company with a deal at Lionsgate.^[14]