Martin Fiennes
Venture investor in Oxford
Oxford, England
Martin Fiennes, Venture investor in Oxford is an active investor based in Oxford, England. This profile covers what Martin Fiennes backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCInvestor
- Stages
- Seed
- Invests in
- Biotech & PharmaHealthcare & BiotechMedTech & Medical DevicesHardware & Deep TechClimate & EnergyAgTech & Agriculture
- Location
- Oxford, England
- Typical check
- $250K
- Past investments
- 16
Notable investments
FluoRokKing's Arms Yard plc
Oxford FlowBodle Technologies LtdFocus Solutions Group plc
Living OpticsNatural Capital ResearchMoA TechnologyRefeynSalience LabsHow to reach Martin Fiennes
Angels and operators like Martin Fiennes reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Martin Fiennes." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/martin-fiennes
Frequently Asked Questions
What does Martin Fiennes invest in?
Martin Fiennes invests in Biotech & Pharma, Healthcare & Biotech, MedTech & Medical Devices and Hardware & Deep Tech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Martin Fiennes invest at?
Martin Fiennes typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Martin Fiennes's typical check size?
Martin Fiennes typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.