in no particular order: Spielberg Tarantino Jackson Nolan Burton Scorsese Del Toro Snyder Eastwood Rodriguez
Christopher Nolan (Inception) Ben Affleck (The Town) Steven Spielberg (Raiders of the Lost Ark) David O'Russel (Silver Linings Playbook) Phil Lord and Chris Miller (LEGO Movie/22 Jump Street) That's it, really. Don't watch much outside of those.
James Cameron (Aliens) Steven Spielberg (Raiders of the Lost Ark) Ridley Scott (Blade Runner) Coen Brothers (Big Lebowski or O Brother Where Art Thou?) Christopher Nolan (Inception) David Fincher (Fight Club) Quentin Tarantino (Django Unchained) Edgar Wright (Hot Fuzz) Guillermo del Toro (Hellboy) Joss Whedon (The Avengers or Serenity) Honorable mentions: Gareth Evans (The Raid movies) J.J. Abrams (Star Trek Into Darkness) Justin Lin (Fast and Furious 6) Peter Jackson (The Hobbit: An Unexpected Journey) Phil Lord and Chris Miller (21 Jump Street)