> Markdown version of [/@arthur-breitman](https://www.wearedevelopers.com/@arthur-breitman). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Arthur Breitman Co-founder of Tezos building frictionless Web3 developer tooling ## About Arthur Breitman is the co-founder and early architect of the Tezos protocol. He focuses on building tools that bring standard programming languages into decentralized environments. Recently, his talks have explored how JsTz allows developers to build on Tezos smart rollups using native JavaScript. Before dedicating himself to blockchain full-time, Arthur worked on self-driving cars at X and Waymo. His earlier career includes stints as a quantitative analyst at Goldman Sachs and Morgan Stanley. He holds a master's degree in financial mathematics from NYU's Courant Institute. ## Past Sessions ### World Congress 2025 路 July 9, 2025 Berlin, Germany - [Justice for All! Diving into JsTz, a Native JavaScript Environment for Web3 Development](https://www.wearedevelopers.com/videos/1586-justice-for-all-diving-into-jstz-a-native-javascript-environment-for-web3-development) 路 30 min 路 馃帴 Watch recording ### World Congress 2024 路 July 17, 2024 Berlin, Germany - [Blockchain Beyond Crypto: Technology Unlocking Opportunities across Various Industries](https://www.wearedevelopers.com/videos/998-blockchain-beyond-crypto-technology-unlocking-opportunities-across-various-industries) 路 30 min 路 馃帴 Watch recording ## Videos - [Justice for All! Diving into JsTz, a Native JavaScript Environment for Web3 Development](https://www.wearedevelopers.com/videos/1586-justice-for-all-diving-into-jstz-a-native-javascript-environment-for-web3-development) 路 Arthur Breitman - [Blockchain Beyond Crypto: Technology Unlocking Opportunities across Various Industries](https://www.wearedevelopers.com/videos/998-blockchain-beyond-crypto-technology-unlocking-opportunities-across-various-industries) 路 Arthur Breitman, John Woods, Vicktoria Klich - [Developer鈥檚 Perspective: Overview of the Tezos Blockchain Ecosystem](https://www.wearedevelopers.com/videos/237-developer-s-perspective-overview-of-the-tezos-blockchain-ecosystem) 路 Arthur Breitman ## Links - [X](https://x.com/ArthurB)