Thelma Schoonmaker
She started working with Scorsese on his first movie Who's That Knocking at My Door (1967), and edited all of Scorsese's movies since Raging Bull (1980). Schoonmaker has received seven Academy Award nominations for Best Film Editing, and has won three times—for Raging Bull (1980), The Aviator (2004), and The Departed (2006).