An open-source, self-upgradable proof-of-stake blockchain, with Etherlink as its EVM-compatible layer. The Tezos Foundation, a non-profit Swiss foundation based in Zug, supports the network’s long-term success through grants and other capital.
- Network live
- 2018Live since June 30, 2018
- Protocol upgrades
- 21Latest, Ushuaia, activated June 30, 2026
- Foundation assets
- $530MFoundation-reported · Dec 2025
- 2017 fundraiser
- $232MClosed July 13, 2017
The company
- Industry
- Blockchain network
- Co-founders
- Arthur Breitman
Kathleen Breitman
- Foundation Council president
- Alexis Bonte
- Foundation executive director
- Roman Schnider
- Core development
- Nomadic Labs
Trilitech
Functori
- Foundation headquarters
- Zug, Switzerland

Alexis Bonte
President of the Foundation Council, Tezos Foundation

Roman Schnider
Executive Director, Tezos Foundation

Arthur Breitman
Co-founder, Tezos; Member of the Foundation Council
Sources & dates Checked October 8, 2026
- Tezos Foundation on LinkedIn — employee-size range for the Foundation, checked October 8, 2026; not an exact headcount, and not the wider ecosystem.
- Tezos Foundation — “an open-source, self-upgradable, energy-efficient and built to last Proof of Stake blockchain protocol”; About us — a Swiss foundation that supports Tezos through grants and other capital deployment; Alexis Bonte, President of the Foundation Council; Roman Schnider, Chair of the Executive Committee and Executive Director; Arthur Breitman, Member of the Foundation Council; and the portraits of Roman and Arthur. As displayed October 8, 2026. Alexis’s portrait: Stillfront Annual Report 2025 (Stillfront, where he is President and Group CEO).
- Tezos Foundation Biannual Report, July–December 2025 — the Foundation’s assets at market value, $530M on December 31, 2025 (cash, bitcoin, XTZ, stability fund and other assets); Etherlink as Tezos’ EVM-compatibility layer; the Foundation’s address in Zug. Foundation-reported figures.
- Octez documentation — Tezos “has been live and open since June 30th 2018.”
- Ushuaia is live — Tezos’ 21st protocol upgrade, activated June 30, 2026, developed by Nomadic Labs, Trilitech and Functori; still the latest upgrade on tezos.com on October 8, 2026.
- American Banker, July 13, 2017 — the $232 million token sale, which closed that Thursday, and the founders, Arthur and Kathleen Breitman.
- Consensus 2024 speaker page — Arthur Breitman, Co-Founder, Tezos, and his X profile.
- The 2017 fundraiser was a token sale run for the Tezos project, not a priced equity round. It describes that sale, not total funding or a current valuation.