Ari Helgason

Partner at Transition

Ari Helgason is a Partner at Transition, a venture capital firm based in London that focuses on supporting Seed and Series A founders in the climate technology sector. He has held this position since September 2021. Transition aims to facilitate the climate transition and believes in achieving infinite prosperity on a finite planet. The firm has partnered with several innovative companies, including Upway, Running Tide, and Watershed.1 2

Before joining Transition, Helgason was a Principal at Index Ventures from October 2016 to March 2021, where he was involved in multi-stage international venture capital investments. His earlier experience includes roles as a Senior Associate at Dawn Capital and as a Co-founder and CEO of a cloud ERP platform for apparel companies, which was later acquired and rebranded as Uphance.1 3

Helgason holds a BSc (Hons) in International Relations from the London School of Economics and has also participated in the Y Combinator program.1 He is fluent in Icelandic and has a professional background that combines venture capital with entrepreneurial experience in technology startups.1 4

Highlights

Jun 28 · AltFi

Scalable Capital CEO Adam French steps down for move into venture capital - AltFi

Sep 23 · Sifted

This is how European startups are making it in the US - Sifted

Experience

Partner at Transition (September 2021 - Present)

Principal at Index Ventures (October 2016 - March 2021), Senior Associate at Dawn Capital (November 2013 - September 2016)

Education

BSc (Hons), First Class, International Relations at London School of Economics and Political Science (2005 - 2008), Participation at Y Combinator (2010)