David Buller
Partner at KELES
London, England
David Buller, Partner at KELES is an active investor based in London, England. This profile covers what David Buller backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Early Stage VentureSeed
- Invests in
- Digital Health & HealthTechHealthcare & BiotechMedTech & Medical Devices
- Location
- London, England
- Typical check
- $375K
- Past investments
- 1
Notable investments
How to reach David Buller
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Connect with David Buller
Frequently Asked Questions
What does David Buller invest in?
David Buller invests in Digital Health & HealthTech, Healthcare & Biotech and MedTech & Medical Devices, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Buller invest at?
David Buller typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is David Buller's typical check size?
David Buller typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do I contact David Buller?
Unlock David Buller's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.