An operator angel, Guy Haddleton has 3 known investments: Lodestone Energy, Nyriad and Helius Therapeutics.
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Investment focus
Contacts
Guy Haddleton portfolio companies (3)
- Lodestone Energy
- Nyriad
- Helius Therapeutics
Investor Profile
The listing covers sectors Climate, Energy, Hardware and SaaS, and focus areas Data, Energy Tech, GreenTech and Solar. Startups operating in these areas may find Guy Haddleton relevant.
Stage-wise, the known deals cluster around Growth and Series B rounds.
The portfolio and focus above give founders context on whether Guy Haddleton matches their raise.
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Frequently asked questions
Who is Guy Haddleton?
Guy Haddleton is an operator angel with 3 known investments on file, among them Lodestone Energy, Nyriad and Helius Therapeutics. The sections above list the sectors and stages attached to that record.
What does Guy Haddleton invest in?
Listed sectors include Climate, Energy, Hardware and SaaS; listed focus areas include Data, Energy Tech, GreenTech and Solar. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Guy Haddleton invest at?
The known deals of Guy Haddleton include Growth and Series B rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Guy Haddleton?
A LinkedIn page is on file for Guy Haddleton. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal