David Helgason

Individual

David Helgason is an Individual based in Reykjavik, Iceland.

Founder of Transition Ventures. Co-founder and former CEO of Unity Technologies (IPO at $13.7B). Prolific angel investor and LP focused on climate tech.

Seed
Headquarters
Reykjavik, Iceland
Portfolio Companies
9
Total Investments
11
Last Investment
Oct 2025
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Indexed holds 9 portfolio companies and 11 funding rounds for this investor. The full record is or through the API.

Investment Thesis

Climate tech venture investor focusing on seed and Series A stages, partnering with founders to address planetary boundaries and global warming using technology scale-up expertise.

It has made 11 investments. Its portfolio includes Uiflow, Leap and Flow Engineering.

Portfolio9

Co-investors24

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24 co-investors across 27 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×19 · Angel Investor ×2 · Individual ×1 · 30 shared rounds

Investment History

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David Helgason on Indexed.vc
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