Leah Weil, 53, Sony Pictures (top left)
Gwen Marcus, 57, Showtime (top right)
Maren Christensen, Universal Studios (center)
Rebecca Prentice, 59, Paramount (bottom left)
Rita Tuzon, 54, Fox Networks Group (bottom right)
Christensen manages operations and is one of the industry's premier anti-piracy experts. Marcus is a key dealmaker and a leader in the company's diversity efforts. Prentice is working to reduce expenses amid a shift to fewer movie releases. Tuzon -- one of the top lawyers in Rupert Murdoch's TV empire -- has been aggressive in fighting the legal war against Dish's ad-skipping Hopper device, while Weil oversees Sony's vast legal department and protects Spider-Man from intellectual property theft.