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Management Team

Jack Carsten, Managing Director

Jack Carsten PhotoJack Carsten is a semiconductor industry veteran with 25 years of venture experience. Prior to forming Horizon Ventures in 1999, Jack managed Technology Investments, a seed investment firm in Los Altos, California. The fund focused on the formation of seed stage information technology firms, building their management teams and organizing syndicates of professional investors.

Before founding Technology Investments in 1991, Jack was a General Partner at U.S. Venture Partners in Menlo Park, California - a $750M venture capital partnership managing a broad portfolio of medical, retail and information technology investments.

Prior to U.S.V.P., Jack was a Senior Vice President of Intel Corporation who from 1975 to 1987 helped them to grow from a $35M startup to revenue of over $2.5B. Originally hired as Vice President of Sales and Marketing, he was named as the first head of the Microprocessor Group. Subsequently, Jack was named Senior Vice President for the Components Group, responsible for all semiconductor manufacturing and engineering. Prior to Intel, he was a Division Manager at Texas Instruments for their MOS and TTL Divisions.

Jack is a founder of the "Band of Angels" investment club and of the Valley Medical Center Foundation. He holds a B.A. degree in Physics from Duke University.

Active Investments:

Theta Microelectronics

Select Prior Investments:
, Discera, Harmonics, iWatt, Knowledge Revolution, LedEngin,NuCORE, Photon Dynamics, Sandpiper, Silicon Motion, SpectraLinear


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Horizon Ventures
4 Main Street, Suite 20
Los Altos, CA 94022
(650) 917-4100