Theodore Daniel Katzman (born April 2, 1986)[1] is an American multi-instrumentalist, singer, songwriter, and producer based in Los Angeles.

He is a member of funk band Vulfpeck and has contributed to the works of several artists as songwriter and producer.

[2][3] His father, Lee Katzman, was a jazz trumpet player and would take him to rehearsals at an early age.

[4] He formed the trio Love Massive, who performed regularly and opened at the Ann Arbor Folk Festival in 2011.

[11][12] In 2013, he was the musical director and the opening act for Darren Criss on his national tour, Listen Up,[13][14] and released a single titled "Pop Song".

[16] A review by Lee Zimmerman noted the album's "upbeat" tone despite the underlying lyrical concept.

[20] In October 2019, Katzman released a single titled "You Could Be President", a preview of his third studio album Modern Johnny Sings: Songs in the Age of Vibe.

[27] In 2023, Ten Good Songs released both Be The Wheel and an album by May Erlewine titled The Real Thing.

His favorite songwriters are those who "capture a moment in cultural time" such as Frank Ocean, Joni Mitchell and Paul Simon.