Primary Role
Managing General Partner at Jafco Ventures
Columbia University in the City of New York

Person Details


Joe Horowitz, Managing General Partner, was instrumental in launching Jafco Ventures with its current team in 2003, bringing 25 years of experience working with early-stage companies as a venture capitalist, advisor and entrepreneur. Joe is passionate about the value-creation process and loves working with talented entrepreneurs.

Life Before Jafco:

Joe's venture capital experience prior to joining Jafco Ventures includes a 10-year tenure at U.S. Venture Partners (USVP) from 1982 to 1992 and three years with Exxon Enterprises. At USVP, the first deal that he worked on was the seed financing of Sun Microsystems.

In addition to being a General Partner, Joe was a member of USVP's executive committee.

Joe also spent several years with Icon Ventures, his own venture investment and advisory firm, and then gained valuable operating experience as Chairman & CEO of Geocast Network Systems, a broadband infrastructure company backed by Mayfield, Kleiner Perkins Caufield & Byers and Institutional Venture Partners.

Investment Experience:

At Jafco, Joe is on the Board of or actively involved with Avnera, Cortina Systems, Devicescape Software, KIXEYE, Moovweb, RedSeal Systems, SocialVibe, SiTime, and TuneIn.

Prior Jafco investments include Aster Data Systems (Teradata), Attributor (Digimarc), Clicker (CBS), FireEye (FEYE), Infinera (INFN), Meebo (Google), Mimosa Systems (Iron Mountain), Ocarina Networks (Dell), Oodle (QVC), Palo Alto Networks (PANW), Posterous (Twitter) and Proofpoint (PFPT).

Joe's past investments include Avia Group International (Reebok), Encompass (Yahoo!), Gymboree (GYMB), Imedia (Terayon), Micro Linear (MLIN), Microtune (TUNE), Netsys Technologies (Cisco), Pacific Microsonics (Microsoft), Ross Stores (ROST), Starsight Telecast (Gemstar), Stream Machine (Cirrus Logic) and Sun Microsystems (SUNW).


Joe received his MBA from the Wharton Graduate School of Business. As an undergraduate he studied engineering and applied sciences and then earned his Bachelor of Arts degree in economics at Columbia University.

Experience (4)


Advisory Roles (12)


Education (2)