Harry Kalodner

Harry Kalodner is the Co-Founder and Chief Technology Officer (CTO) at Offchain Labs, a company known for developing Arbitrum, an Ethereum scaling solution. He has been with Offchain Labs since August 2018.12 Before founding Offchain Labs, Harry gained experience as a Software Development Intern at Apple in 2012 and 2013, and as a Computer Science Summer Fellow at Bowdoin College.1

Harry holds a Ph.D. in Computer Science from Princeton University and a Bachelor's Degree in Computer Science and Mathematics from Bowdoin College.13 The idea for Arbitrum originated as a class project during his time at Princeton, which he co-developed with Steven Goldfeder.2 Harry's role involves leading the engineering team at Offchain Labs, focusing on enhancing transaction speed and efficiency on the Ethereum network through Layer 2 rollup technology.2