# David Cowan

David Cowan is a Partner in Bessemer's Silicon Valley office and one of the world's leading investors, having funded Seed/Series A/B rounds that led to over 30 IPOs. He co-founded three cybersecurity companies incubated within Bessemer: VeriSign (initial Chairman and CFO), Good Technology (CEO, acquired by BlackBerry) and Defense.net (acquired by F5).

David Cowan is a Partner in Bessemer's Silicon Valley office and one of the world's leading investors, having funded Seed/Series A/B rounds that led to over 30 IPOs. He co-founded three cybersecurity companies incubated within Bessemer: VeriSign (initial Chairman and CFO), Good Technology (CEO, acquired by BlackBerry) and Defense.net (acquired by F5).

Canonical: https://uniquebase.ai/people/david-cowan
Stable identifier: UB-P4069
Snapshot captured: 2026-10-22T00:48:04.883Z
English updated: 2026-10-22T00:59:15.610Z

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