Posting my own list per Lance's layout:
1. Orson Welles: Touch Of Evil, The Trial, Kane, The Magnificent Ambersons
2. Jacques Rivette: Céline And Julie Go Boating, Duelle, Noroît, Out 1
3. Martin Scorsese: Gangs Of New York, The Age Of Innocence, Raging Bull
4. Coens: Barton Fink, The Man Who Wasn't There, A Serious Man
5. Powell & Pressburger: The Life And Death Of Colonel Blimp, The Red Shoes, Black Narcissus, A Canterbury Tale
Alfred Hitchcock: Vertigo, Rear Window, Shadow Of A Doubt, Notorious
Raúl Ruiz: City Of Pirates, Mysteries Of Lisbon, Three Crowns Of The Sailor
Wong Kar-Wai: 2046, Days Of Being Wild, In The Mood For Love
Fritz Lang: The Testament Of Dr. Mabuse, Moonfleet, Beyond A Reasonable Doubt, Scarlet Street
Vincente Minnelli: Some Came Running, Meet Me In St. Louis, Gigi, Lust For Life
Bernardo Bertolucci: The Conformist, Last Tango In Paris, 1900, The Last Emperor
Sergio Leone: Once Upon A Time In America, Once Upon A Time In The West, Duck You Sucker
Otto Preminger: Bonjour Tristesse, Anatomy Of A Murder, Bunny Lake Is Missing, Laura
Jean Renoir: The Rules Of The Game, The River, French Cancan
Samuel Fuller: The Naked Kiss, Shock Corridor, The Big Red One, Park Row, Underworld USA
Terrence Malick: Days Of Heaven, The New World, The Thin Red Line
Francis Ford Coppola: Apocalypse Now, Youth Without Youth, The Godfather Part II
Jacques Tourneur: I Walked With A Zombie, Canyon Passage, Stars In My Crown, Out Of The Past
Hayao Miyazaki: Spirited Away, Nausicaä, Princess Mononoke
Max Ophüls: Letter From An Unknown Woman, Lola Montes, Madame de..., Le Plaisir
John Ford: The Searchers, My Darling Clementine, The Sun Shines Bright
Andrei Tarkovsky: Nostalgia, Stalker, Andrei Rublev
Carl Th. Dreyer: Ordet, Day Of Wrath, Vampyr
Rainer Werner Fassbinder: Lola, The Marriage Of Maria Braun, Berlin Alexanderplatz
Luis Buñuel: The Discreet Charm Of The Bourgeoisie, Tristana, The Phantom Of Liberty, L'Age d'Or
Woody Allen: Stardust Memories, Annie Hall, Crimes And Misdemeanors
Claude Chabrol: Les Biches, La Rupture, Les Bonnes Femmes
Kenzi Mizoguchi: Ugetsu, Sansho The Bailiff, Street Of Shame
Satyajit Ray: Pather Panchali, The Music Room, The Chess Players, Aparajito
Alain Resnais: Muriel, Wild Grass, Last Year At Marienbad, Life Is A Bed Of Roses
Steven Soderbergh: Che, Solaris, The Underneath, King Of The Hill, Kafka, The Limey
Spike Lee: Malcolm X, Do The Right Thing, 25th Hour, Clockers
François Truffaut: Jules And Jim, Stolen Kisses, Shoot The Piano Player
Jean-Jacques Beineix: Betty Blue, Moon In The Gutter, Diva, Roselyne And The Lions
Alan Rudolph: Trouble In Mind, Choose Me, The Moderns, Remember My Name
Preston Sturges: The Miracle Of Morgan's Creek, The Lady Eve, Hail The Conquering Hero
Robert Altman: McCabe & Mrs. Miller, California Split, Nashville
Ernst Lubitsch: Trouble In Paradise, The Smiling Lieutenant, The Merry Widow, Ninotchka