A former pupil of
Suffern High School, Gurewitch graduated from
Syracuse University's
S.I. Newhouse School of Public Communications with a degree in television, radio, and film. From 2006 to 2013, Gurewitch worked as a senior writer for the comedy website CollegeHumor. His work there included
Hardly Working and
CollegeHumor Originals, as well as the MTV comedy series
The CollegeHumor Show, in all of which he was a principal cast member. He studied
improvisation at the
Upright Citizens Brigade Theatre under
Anthony King,
Chris Gethard,
Jason Mantzoukas, and Jackie Clarke, among others. As part of the writing staff for
HBO's
Last Week Tonight with John Oliver, he has won five
Emmy Awards for "Outstanding Writing for a Variety Series,” and five
Writers Guild of America Awards. ==Personal life==