Herzfeld graduated from UCLA School of Theater, Film and Television (TFT) in 1984.
[1] Herzfeld's earliest TV credit is on It's Garry Shandling's Show in 1986, followed by almost 10 years of writing and producing on sitcom staffs, including Married... with Children.
Herzfeld's earliest feature film work was a writing credit on the cult-comedy Tapeheads in 1988.
Herzfeld's most successful work was writing the screenplay for the 2000 film Meet the Parents[2][3] as well as writing the story and screenplay for its 2004 sequel Meet the Fockers.
Herzfeld was also the writer of the canceled Circle 7 Animation version of Toy Story 3.