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General Information


Harvard University, BA 1988
Math, Computer Science
Harvard University, MBA

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David Cowan

David joined Bessemer Venture Partners in 1992. He has since made 45 early-stage investments for Bessemer, including 19 that have gone public, and 18 that have been acquired by public companies. The first Forbes Midas List ranked David among the world’s top 10 venture investors.

David has invested in network technology (Ciena, P-Com), internet services (PSI-Net, Keynote, Flycast, Netli), and consumer internet (Hotjobs, Blue Nile). In 1995 he cofounded Verisign as a Bessemer-funded spinout of RSA, serving as VeriSign’s initial Chairman; his other data security investments have included Counterpane (acq. by BT), Cyota (acquired by RSA), ON (acquired by Symantec), Postini (acquired by Google), Qualys, Tripwire, Tumbleweed, Valicert and Worldtalk (both of which Tumbleweed acquired after they went public). David currently serves on the boards of Flock, Lifelock, Nominum, Perimeter eSecurity, and Vimo.

David received both his A.B. in math and computer science and his M.B.A. degrees from Harvard University.

Source : Bessemer Venture Partners

Recent Milestones


Company Date Round Size Participants
Defense.Net 8/2013Series A$9.5M2
Dropcam 9/2011Series A$5.8M7
Votizen 9/2010Venture Round$1.5M12
AdKeeper 9/2010Series A$8M10
Keep Holdings 9/2010Series A$8M10
Dropcam 3/2009Seed5



  1. Defense.net Raises $9.5M In Funding (finsmes.com) [edit]
  2. Accel Leads $6M Round In Video Monitoring And Cloud Streaming Service Dropcam (techcrunch.com) [edit]
  3. Votizen Raises $1.5 Million To Make Sure Government Representatives Hear Your Voice (techcrunch.com) [edit]
  4. “Stealth” Advertising Startup AK Networks Raises $8 Million (techcrunch.com) [edit]
  5. "Stealth" Advertising Startup AK Networks Raises $8 Million (techcrunch.com) [edit]
  6. Company Communication [edit]
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Last Edited 4/4/14

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