Gabriel Walker, Managing Partner at Sirkal Ventures is an active investor based in United Kingdom. This profile covers what Gabriel Walker backs, at which stage, and how founders can reach out in 2026.
Gabriel Walker is a Managing Partner at Sirkal Ventures, building companies at the intersection of science, technology, and impact.
Gabriel Walker invests in Healthcare & Biotech, Climate & Energy and Fintech, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Healthcare & BiotechClimate & EnergyFintech
- Location
- United Kingdom
- Typical check
- $500K
How to reach Gabriel Walker
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Round Funded. "Gabriel Walker." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/gabriel-walker
Frequently Asked Questions
Who is Gabriel Walker?
Gabriel Walker, Managing Partner at Sirkal Ventures is an active investor based in United Kingdom. Gabriel Walker invests in Healthcare & Biotech, Climate & Energy and Fintech, typically at Early Stage Venture.
What does Gabriel Walker invest in?
Gabriel Walker invests in Healthcare & Biotech, Climate & Energy and Fintech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Gabriel Walker invest at?
Gabriel Walker typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Gabriel Walker's typical check size?
Gabriel Walker typically writes checks around $500K. 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.