The company has moved to new offices in Beverly Hills as post-production continues on Rian Johnson's adventure The Brothers Bloom starring Rachel Weisz, Adrien Brody, Mark Ruffalo and Rinko Kikuchi.
'We are very excited about the arrival of Matt, Robert and Greg to the team,' Stern said. 'They are all remarkable professionals with invaluable experience essential to our company. In this time of growth for us, I am thrilled to see that our efforts to build a solid team are paying off.'
Until recently Norton was a financial advisor to such film companies as Ascendant Pictures, Radar Pictures and Jersey Films. He served as chief financial officer at 3-D digital theatre system pioneers REAL D, and before that was chief operating and financial officer at Scott Free Productions.
Schenz arrives from Beacon Pictures, where he served as head of business and legal affairs and worked on such films as The Guardian and Ladder 49. Prior to that he was a senior vice president in business and legal affairs at Intermedia.
Birch previously served as production supervisor on such films as Transformers, Mission Impossible III, The Italian Job and Constantine.
Endgame was one of the producers on Todd Haynes' upcoming Bob Dylan biopic I'm Not There, which will be distributed by The Weinstein Company and stars Cate Blanchett, Christian Bale, Heath Ledger and Richard Gere, all of whom play Dylan at various stages in his life.