Greylock Partners
We partner with entrepreneurs to build market-leading companies. Founded in 1965, Greylock has funded and helped build several hundred successful companies. Our investing team hails from operational and entrepreneurial roles at technology companies large and small, and we work tirelessly to provide unparalleled help and trusted advice to our portfolio companies across key aspects of company building, including strategy, recruiting and business development. More than 150 of the companies we have supported have gone on to IPOs and 100 have gone on to profitable M&A events. 
Portfolio Spotlight
Data Domain
Data DomainĀ® is the leading provider of Deduplication Storage systems for a broad range of nearline storage applications including disk backup, archiving and network-based disaster recovery. Data Domain delivers the performance, reliability and scalability to address the data protection needs of enterprises of all sizes.