John Marrow works as a Venture Partner at Susten. The firm's known portfolio counts 6 companies.
Is John Marrow a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Venture Partner at Susten, whose known portfolio counts 6 companies
- Perceptual Robotics
- Sunswap
- QLM Technology
- Thermulon
- 8power
- GRZ Technologies
Investor Profile
The listing covers sectors AI, Climate and Hardware, and focus areas Analytics, Battery, Clean Energy and Clean Tech. Startups operating in these areas may find John Marrow relevant.
Susten appears in Late-Stage, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Marrow is worth approaching.
Colleagues at Susten
Frequently asked questions
Who is John Marrow?
John Marrow is a venture capital investor based in Manchester, England, United Kingdom, listed as Venture Partner at Susten. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to John Marrow personally.
What does John Marrow invest in?
Listed sectors include AI, Climate and Hardware; listed focus areas include Analytics, Battery, Clean Energy and Clean Tech. 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 John Marrow invest at?
Susten appears in Late-Stage, Seed and Series A rounds across its known deals, and John Marrow is listed there as Venture 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 John Marrow listed at?
John Marrow is listed as Venture Partner at Susten. 3 other people in the database share a firm with John Marrow.
How do I contact John Marrow?
An email address, a phone number and a LinkedIn page are on file for John Marrow. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal