William Haemmerle
Partner, Transaction Advisory Services at Wiss
New York City, New York
William Haemmerle, Partner, Transaction Advisory Services at Wiss is an active investor based in New York City, New York. This profile covers what William Haemmerle backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Early Stage Venture
- Invests in
- FintechPaymentsWealthTechHealthcare & BiotechBiotech & PharmaSaaS & EnterpriseConsumer & RetailDeveloper Tools & Data
- Location
- New York City, New York
- Typical check
- $500K
- Past investments
- 5
Notable investments
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Frequently Asked Questions
What does William Haemmerle invest in?
William Haemmerle invests in Fintech, Payments, WealthTech and Healthcare & Biotech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
How do I contact William Haemmerle?
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