Top working directors

[PerryStroika]

To me, Zhang Yimou is tops and still working at the height of its powers.

Others:
David Cronenberg
Kiyoshi Kurosawa
Alfonso Cuaron
Guillermo Del Toro
Adam Curtis
James Camerson
Yoji Yamada

[MmzHrrdb]

In no particular order, these are those that jump out...

Jean-Luc Godard
Joe Dante
Wes Anderson
Todd Solondz
The Coen Brothers
Edgar Wright
Maren Ade
Celine Sciamma
Adam Wingard
Olivier Assayas
Hou Hsiao-hsien
Rob Zombie
Mike Leigh
Alain Resnais

And some of these filmmakers seem promising, though I've seen shamefully little of their work...

Scott Teems
The Dardenne Brothers
Jose Luis Guerin
Fernando Eimbcke
Daniel Young
Fien Troch
Michael Dougherty
Kelly Reichardt
Julien Hernandez
Jim Sheridan
Andre Techine
Hirokazu Kore-eda
Kim Ji-woon

[theficionado]

Where's the love for...

Claire Denis
Michael Mann
Bong Joon-Ho
Jim Jarmusch
Brad Bird
Park Chan-Wook
Kathryn Bigelow
Oliver Assayas
Jane Campion
Aleksandr Sokurov
David Gordon Green (haven't given up on him...)