Jean-Lou Rihon is a Director at 24Haymarket, whose known portfolio counts 12 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
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 Jean-Lou Rihon relevant.
Stage-wise, the deals at 24Haymarket cluster around Seed, Series A and Series B rounds.
The firm portfolio and the focus above give founders context on whether Jean-Lou Rihon matches their raise.
Colleagues at 24Haymarket
Marek Gumienny
Non Executive Director
London, United Kingdom
Jamie Dunnett
Investment Director
London, United Kingdom
Ian Gray
Director
Edinburgh, 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 Jean-Lou Rihon?
Jean-Lou Rihon is a syndicate member and venture capital investor based in London, England, United Kingdom, listed as Director at 24Haymarket. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to Jean-Lou Rihon personally.
What does Jean-Lou Rihon 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 Jean-Lou Rihon invest at?
24Haymarket appears in Seed, Series A and Series B rounds across its known deals, and Jean-Lou Rihon is listed there as 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 Jean-Lou Rihon listed at?
Jean-Lou Rihon is listed as Director at 24Haymarket. 8 other people in the database share a firm with Jean-Lou Rihon.
How do I contact Jean-Lou Rihon?
An email address, a phone number and a LinkedIn page are on file for Jean-Lou Rihon. 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