Credit: Justin Lubin/NBC; Inset: Albert L. Ortega/PR Photos

Image Credit: Justin Lubin/NBC; Inset: Albert L. Ortega/PR PhotosAnother NBC suit is leaving the programming ranks in light of the pending Comcast-NBC merger. Angela Bromstad, the Peacock’s head of programming, told her staff today that she was departing the third place net that remains in transition. In November, it was revealed that Robert Greenblatt, the wunderkind who revitalized Showtime with critical faves like Dexter and Weeds, would become Chairman of NBC Entertainment once the merger was complete. He will oversee all aspects of prime time and late night programming and Bromstad was expected to report to him.

This is the second time that Bromstad has left NBC.

In 2007, Bromstad vacated her post as head of NBC’s production company after reportedly butting heads with the network over programming control. Bromstad came back to the net in January of 2009 at the behest of then CEO Jeff Zucker to assume control of prime time. The pressure on the veteran TV exec was both instantaneous and enormous: Bromstad not only joined the network in the midst of development season but NBC was mired in fourth place.

The network’s now is third place among viewers and adults 18-49 (thanks, pro football!), and shows like Parenthood and Parks and Recreation that were developed during Bromstad’s tenure are critical favorites (while in charge at the studio, she also developed Community, 30 Rock, Heroes and Friday Night Lights). But this season’s drama Outlaw that starred Jimmy Smits didn’t make it past a month and the heavily-promoted Undercovers was canceled less than two months later.

“I cannot possibly sum up my thoughts and emotions in an email but suffice it to say I have tremendous respect for the company and for the people with whom I have had the privilege to work with and know during my time here,” Bromstad wrote in an email to staff members Thursday. “I take great memories and friendships with me and I wish you all the best going forward.”