Greylock Partners is one of the world's leading venture capital firms. Since its founding in 1965, Greylock has funded and helped build several hundred market-leading companies, more than 150 of which have gone on to IPOs. Among our portfolio companies past and present are: Ascend Communications, CheckFree, CipherTrust, Constant Contact, Continental Cable, Decru, Data Domain, Digg, DoubleClick, Facebook, Farecast, Internet Security Systems, Ikanos, Legato, LinkedIn, Media Metrix, Millennium Pharmaceuticals, Openwave, Open Market, Pandora, Redfin, Red Hat, RightNow Technologies, Success Factors, Tellabs, Trilogy, Wily Technology, Workday and Zipcar.

The Greylock approach is to put the entrepreneur first in a highly supportive way and to provide founders the resources they need to build outstanding businesses. Greylock operates in a number of global centers of innovation, including Silicon Valley, Boston, Israel and India.