Her friends Lainie Becky and Matthew Weinberg confirmed the news to Deadline.
In 1992, she served as Director of Development for Tim Disneys Virtual World Entertainment, a gaming/interactive company.
While there, she developed sci-fi properties into films for New Line Cinema.
Margaret Riley at ‘Bombshell’ screening in 2019Getty Images
In 2002, Riley founded Margaret Riley Management, which was acquired by Brillstein Entertainment Partners three years later.
You were a gem.
Rileys credits include executive producer on the Cutlers documentary,Billie Eilish: The World is a Little Blurry.
Born on December 9, 1965, Riley received a graduate degree from the American Film Institute.
Riley is survived by daughter Dylan, 14, and son Will, 10; and mother Doris.
Erik Pedersen contributed to this report.
