Joe Greenstein is a co-founder and assistant zookeeper at Leaders In Tech/InnerSpace, a New York-based startup that builds smart venues. An entrepreneur and tech enthusiast, Greenstein studied BSE Economics (Entrepreneurship in Information Systems) at The Wharton School and BAS Computer Science Engineering at the University of Pennsylvania.

Greenstein's professional journey began as a co-founder and lead architect at Coremetrics, which was later acquired by IBM. He went on to be a founder and CEO at QApro, a former associate at Signia Ventures, and a product manager at Kenamea before joining Edusoft as a VP of product management. Following the acquisition of Edusoft by Houghton-Mifflin, Greenstein became the Mr Big Shot at Flixster & RottenTomatoes, which was later acquired by Warner Bros.

Greenstein is passionate about building cool things with great people, and he recently studied Leaders in Tech Fellow at Leaders in Tech to expand his skill set. He brings a wealth of experience in entrepreneurship, product management, and building startups to any team he joins.