David Helgason is an Icelandic angel investor and climate-focused partner at Transition.vc. See portfolio, sector focus and contact routes.
David Helgason is an Icelandic angel investor and climate-focused partner at Transition.vc, best known as the co-founder and former CEO of Unity Software, which he led from its 2003 founding until October 2014[3][7]. His investment thesis centers on early-stage climate technology, with additional activity in edtech, software, gaming, and AI across Europe and the Nordic region[1][9]. Typical check sizes range from $100,000 to $5.0 million, and he often participates as an angel investor rather than a lead fund manager[8]. Notable portfolio companies include Unity Technologies, Labster, QuizUp, and Terra.Do, alongside ventures like CleanPlay and Realm[3][5][12]. Helgason describes himself as a “glass one-tenth full” optimist who believes sustainable industries will outcompete legacy ones, driving his focus on decarbonization and sustainability[9]. He actively supports startups through angel investments and board roles while partnering with climate-focused funds such as Breakthrough Energy and Nordic Makers[9][10].
This profile is part of the StartupFundraising investor database: focus, portfolio history, disclosed location and contact routes, refreshed as new filings and rounds are ingested. Founders use it to check fit before reaching out and to find investors in Reykjavík.
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