Jeremy graduated from Yale with degrees in Film and Theater. He began his career working as an assistant in Creative Artists Agency's Motion Picture Literary department before joining director Joel Schumacher as his assistant on the sets of the critically acclaimed Tigerland, Jerry's Bruckheimer's Bad Company (Chris Rock and Anthony Hopkins) and Phone Booth (Colin Farrell, Katie Holmes and Forrest Whittaker).
While serving as Second Unit Director and Associate Producer on Schumacher's Veronica Guerin (Cate Blanchett), Garelick co-wrote and sold The Golden Tux with Todd Phillips producing for Dimension Films, gaining the attention of actor, Vince Vaughn, who brought Garelick into co-write and co-produce The Break Up starring Vince and Jennifer Aniston.
Garelick continued his work with director Todd Phillips, on the uncredited re-write for The Hangover (Bradley Cooper, Ed Helms, and Zach Galifianakis), which would become the highest grossing R-rated comedy film of all time.
In 2013, Garelick's career came full circle when he was hired by Screen Gems to direct the original project he sold in 2002, The Golden Tux, with Kevin Hart and Josh Gad starring, under the current title The Wedding Ringer.
Garelick is also the creator of the upcoming Amazon TV show The Rebels starring Natalie Zea.