Greylock partners with entrepreneurs to help them build market-leading businesses. Over the past 45 years the firm has worked with hundreds of companies, 150 of which have gone on to IPOs and 100 of which have gone on to profitable M&A events. Such companies include Ascend Communications, CheckFree, CipherTrust, Constant Contact, Continental Cable, Decru, Data Domain, DoubleClick, Farecast, Internet Security Systems, Ikanos, Legato, Media Metrix, Millennium Pharmaceuticals, Openwave, Open Market, OutlookSoft, Polyserve, Red Hat, RightNow Technologies, Success Factors, Sun Edison, Tellabs, Trilogy and Wily Technology. Current Greylock portfolio companies include Cloudera, Data Robotics, Facebook, Imperva, LinkedIn, Palo Alto Networks, Pandora, Picarro, Redfin, Workday and ZipCar. For more information about Greylock Partners, visit our Web site (www.greylock.com) or blog (www.greylockvc.com) or follow us on Facebook (http://www.facebook.com/greylock) or Twitter (@GreylockVC).