David Buller is an angel investor based in London, England, United Kingdom. The known portfolio is one company, Cuttime.
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Investment focus
- Sector
- AIConsumerHealthcare
Contacts
David Buller portfolio company (1)
- Cuttime
Affiliated funds' portfolios
Investment Partner - Life Fund at Ascension, whose known portfolio counts 10 companies
- Eolas Medical
- FarmDrive
- Tembo Money
- Capably AI
- Sprive
- Kinfolk
- Altura
- Liquid Acquire
- Hosel
- Synkka
Investor Profile
The listing covers sectors AI, Consumer and Healthcare, and focus areas Diagnostics, Digital Health, Marketing Tech and Natural Language Processing (NLP). Startups operating in these areas may find David Buller relevant.
The stage tags on this profile are Seed and Series A.
The portfolio and focus above give founders context on whether David Buller matches their raise.
Colleagues at Ascension
Remy Minute
Partner
London, United Kingdom
Asha Lad
Investment Committee Chair - Venture Capital
London, United Kingdom
Jean de Fougerolles
Managing Partner & Founder
United Kingdom
Chris Wheatcroft
Investment Director
London, United Kingdom
Baris Ozaydinli
Advisor
London, United Kingdom
Craig Fletcher
Venture Partner
Romsey, United Kingdom
Toyosi Ogedengbe
Venture Partner
United Kingdom
Eilish Saba
Investor
London, United Kingdom
Iulia Tudor
Partner
London, United Kingdom
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Frequently asked questions
Who is David Buller?
David Buller is an angel investor based in London, England, United Kingdom with one known investment on file, Cuttime. The sections above list the sectors, stages and firms attached to that record.
What does David Buller invest in?
Listed sectors include AI, Consumer and Healthcare; listed focus areas include Diagnostics, Digital Health, Marketing Tech and Natural Language Processing (NLP). 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 David Buller invest at?
The database lists David Buller for Seed and Series A 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.
Which firm is David Buller listed at?
David Buller is listed as Investment Partner - Life Fund at Ascension. 9 other people in the database share a firm with David Buller.
How do I contact David Buller?
An email address, a phone number and a LinkedIn page are on file for David Buller. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal