[1][2][3] He directed the feature documentary The Short Game, winner of the SXSW Audience Award, which was acquired by Netflix to launch their Originals film division.

[7] Greenbaum made his narrative feature debut directing Barb and Star Go to Vista Del Mar, released in 2021.

The film was written by and stars Kristen Wiig and Annie Mumolo, and also features Jamie Dornan, Damon Wayans Jr. and Wendi McLendon-Covey.

[21][22][23] He also served as executive producer and director of The Playbook series for Netflix and directed the first episode, profiling NBA coach Doc Rivers.

[24] Greenbaum collaborated with After-School All-Stars charity, directing commercials that feature the organization's founder, Arnold Schwarzenegger.