Frank Willemsen – Startup Investor Profile

Frank Willemsen is the President and Board Member at Sand Hill Angels, with investment focus areas including seeking ‘uncommon’ insights in markets, technologies, or business processes that are not obvious. The investors at Sand Hill Angels look for startups with a real problem-solving aspect, defensible solutions, capable teams, and reasonable deals. They also consider evidence of product-market fit and a narrative for the company’s vision. Frank Willemsen’s investments fall in the range of $300K to $500K per company, with a sweet spot at $500K. Sand Hill Angels’ diverse portfolio spans sectors like AdTech, HealthTech, and FinTech, with a preference for startups that have early progress funded by friends or family to gather feedback from potential customers and limit capital requirements.

Location: Los Altos, CA

Country: United States of America

Investment Regions:

Investment Stages: pre-seed, seed

Website:

AI Reasoning: I searched for investment activity by Frank Willemsen (Sand Hill Angels) across web results and member pages but could not find any specific public record or news of investments by him or startups he invested in within the past years. No dated investments were located to calculate recency. With no verifiable investment date found, the correct classification is not-found.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.