Jacob Sacks is an American jazz pianist and composer.

[1] He met drummer Dan Weiss at the Manhattan School of Music.

[2] Sacks was a finalist in the 1999 Thelonious Monk International Piano Competition, aged 22.

[3] Sacks has for a long time played in a trio with the bassist Thomas Morgan and drummer Dan Weiss, and in a duo with vocalist Yoon Sun Choi.

[5] Nate Chinen of The New York Times commented that Sacks is "drawn to the subtler, deeper mechanics of harmony and form.