Frank Willemsen
Member Board of Directors at Sand Hill Angels
Los Altos, California
Frank Willemsen, Member Board of Directors at Sand Hill Angels is an active investor based in Los Altos, California. This profile covers what Frank Willemsen backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Early Stage VenturePre SeedSeed
- Invests in
- Artificial IntelligenceSaaS & EnterpriseConsumer & RetailDeveloper Tools & DataMedia & ContentSocial & Community
- Location
- Los Altos, California
- Typical check
- $250K
- Past investments
- 71
Notable investments
How to reach Frank Willemsen
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Frequently Asked Questions
What does Frank Willemsen invest in?
Frank Willemsen invests in Artificial Intelligence, SaaS & Enterprise, Consumer & Retail and Developer Tools & Data, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Frank Willemsen?
Unlock Frank Willemsen's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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