Nora O’Brien died suddenly on April 29 while on the set of the new NBC series pilot “Parenthood” in Berkeley, Calif. She was 44.

O’Brien was currently VP of drama programming for NBC Ent. and Universal Media Studios. 

NBC execs said in a statement, “Our hearts go out to the family and friends of our beloved colleague Nora, who was respected and cherished by so many people in the entertainment community.  She’ll truly be missed by all of us.”

 She joined Universal Media Studios in her position in Jan. 2008, after working at the Sci Fi Channel, where she was VP of original programming. At the Sci Fi Channel, she developed programs including the miniseries “The Lost Room,” and was programming exec on “Stargate” and “Stargate Atlantis.”

Some of her projects at NBC included  “Kings,” “The Philanthropist” and “Parenthood.”  She also oversaw the drama “Bionic Woman,” in addition to other pilot development. 

 Before the Sci Fi Channel, O’Brien worked for five years as VP of television for Trilogy Ent. Group, overseeing development and current programming.

 She was on the board of directors of Hollywood HEART  (www.hollywoodheart.org ), which raises money in support of camps for children afflicted by the AIDS virus.   

 Born in Hartford, Conn., O’Brien graduated Boston College. She began her career as an associate producer for Reunion Productions in Boston, where she wrote and produced documentary films. She also worked on production and post-production for features including “School Ties,” “Sliver,” “Clear and Present Danger,” “Outbreak” and “Starship Troopers.” 

 She is survived by her mother, three brothers and three sisters.

A memorial service will be announced at a later date.