Harry Valner works as a Managing Partner at Seaside Ventures. The firm's known portfolio counts 9 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Partner at Seaside Ventures, whose known portfolio counts 9 companies
- Ketone-IQ
- Samphire Neuroscience
- Circulate
- Adaptyx Biosciences
- BiomeSense
- StimScience
- Paterna Biosciences
- Rorra
- Calorify
Investor Profile
The listing covers sectors Commerce, Consumer, Healthcare and Real Estate, and focus areas Biotech, Consumer Goods, Diagnostics and Digital Health. Startups operating in these areas may find Harry Valner relevant.
Seaside Ventures appears in Pre-Seed, Seed and Series A rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Harry Valner matches their raise.
Colleagues at Seaside Ventures
Frequently asked questions
Who is Harry Valner?
Harry Valner is a venture capital investor based in United States, listed as Managing Partner at Seaside Ventures. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Harry Valner personally.
What does Harry Valner invest in?
Listed sectors include Commerce, Consumer, Healthcare and Real Estate; listed focus areas include Biotech, Consumer Goods, Diagnostics and Digital Health. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Harry Valner invest at?
Seaside Ventures appears in Pre-Seed, Seed and Series A rounds across its known deals, and Harry Valner is listed there as Managing Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Harry Valner listed at?
Harry Valner is listed as Managing Partner at Seaside Ventures. One other person in the database shares a firm with Harry Valner.
How do I contact Harry Valner?
An email address, a phone number and a LinkedIn page are on file for Harry Valner. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal