David Cowan Bessemer Venture Partners

David is a General Partner of Bessemer Venture Partners (www.bvp.com). David joined Bessemer in 1992. He has since made 42 early-stage investments for Bessemer, including 17 that have gone public, and 13 that have been acquired by public companies. David initially focused on communications technology companies such as Ciena, P-Com, and PSI-Net. In 1995, David co-founded VeriSign as a Bessemer-funded spinout of RSA, serving as VeriSign's initial Chairman and CFO, and continuing today as a member of the board. His other data security and infrastructure investments include Nominum, Counterpane, Finjan, Qualys, Tripwire, Tumbleweed, Valicert, and Worldtalk (which Tumbleweed acquired). David received both his A.B. in Computer Science and Math, and his M.B.A., from Harvard University.