Investor profile
Jamie Dunnett
Syndicate / Angel group, Venture capital & Investment Director at 24Haymarket
Jamie Dunnett is an Investment Director at 24Haymarket, whose known portfolio counts 12 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investment Director at 24Haymarket, whose known portfolio counts 12 companies
- Dragonfly AI
- Optalitix
- Previsico
- Kelda Showers
- Angoka
- WATR
- BirdsEyeView
- CyberOwl
- onHand
- DrDoctor
- Huq Industries
- myGwork
Investor Profile
The listing covers sectors AI, Climate, Hardware and Healthcare, and focus areas Analytics, Cybersecurity, Data and Digital Health. Startups operating in these areas may find Jamie Dunnett relevant.
Stage-wise, the deals at 24Haymarket cluster around Seed, Series A and Series B rounds.
What the affiliated firm has backed is the closest available signal on whether Jamie Dunnett is worth approaching.
Colleagues at 24Haymarket
Marek Gumienny
Non Executive Director
London, United Kingdom
Ian Gray
Director
Edinburgh, United Kingdom
Jean-Lou Rihon
Director
London, United Kingdom
Thomas Hoppe
Angel Investor
Tonbridge, United Kingdom
Fiona Dent
Investor Member
London, United Kingdom
Paul Tselentis
Co-Founder and CEO
London, United Kingdom
Jamie Waller
Principal
United Kingdom
Andre Crawford-Brunt
Investor
London, United Kingdom
Frequently asked questions
Who is Jamie Dunnett?
Jamie Dunnett is a syndicate member and venture capital investor based in London, England, United Kingdom, listed as Investment Director at 24Haymarket. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to Jamie Dunnett personally.
What does Jamie Dunnett invest in?
Listed sectors include AI, Climate, Hardware and Healthcare; listed focus areas include Analytics, Cybersecurity, Data 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 Jamie Dunnett invest at?
24Haymarket appears in Seed, Series A and Series B rounds across its known deals, and Jamie Dunnett is listed there as Investment Director. 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 Jamie Dunnett listed at?
Jamie Dunnett is listed as Investment Director at 24Haymarket. 8 other people in the database share a firm with Jamie Dunnett.
How do I contact Jamie Dunnett?
An email address, a phone number and a LinkedIn page are on file for Jamie Dunnett. 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