Poll Suggestion: Two Consecutive Films, Two Palme d'Or

This year, Ruben Östlund became one of the rare directors to have won a second Palme d'Or. Even more impressive, he is only the third person to be awarded a Palme d'Or for two consecutive films.

Which director who achieved the same feat is your favorite?

List: https://www.imdb.com/list/ls565791384/