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Philip Bilden
VCFounder & Managing Partner, Shield Capital
Co-founded defense-focused national security venture fund
San Francisco, CA2 notable investments
Pre-SeedSeedSeries A
DefenseAISecurityDeep TechInfrastructure
Background
Philip Bilden is co-founder and managing partner of Shield Capital, a venture firm investing in AI, autonomy, cybersecurity, and space. He was a co-founding member of HarbourVest Partners, where he spent 25 years in senior leadership including Asia-Pacific operations based in Hong Kong. He holds a BS from Georgetown University and an MBA from Harvard Business School.
Investment Thesis
Early-stage national security technologies bridging commercial and defense markets.
Investment Focus
Stages
Pre-SeedSeedSeries A
Sectors
DefenseAISecurityDeep TechInfrastructure
Based in: San Francisco, CA (North America)
Notable Investments
Last updated: Jun 11, 2026