[4] In 2006, Zimmer graduated from Cornell University School of Hotel Administration where he was a member of Sigma Pi Fraternity, Mu Chapter.

[6] In 2007, while Zimmer was working at Lehman Brothers, he and Logan Green founded Zimride, a ridesharing platform across college campuses.

[7] While at Cornell, Zimmer was inspired to develop a rideshare program by filling the empty seats he had during his rides home over school breaks.

[9][10] Zimride launched the first version of its rideshare program at Cornell University where, after six months, the service had signed up 20% of the student body.

[9][10][15] After leaving his job at Lehman Brothers, Zimmer moved to Silicon Valley with Green to work on Zimride full-time.