# Ethereum Foundation Adds Rebuffo to Applied AI and Client Development Work

By Sonny Jang

Canonical URL: https://www.tokenpost.com/news/people/56500
Published: 2026-11-13T09:21:39.000Z
Updated: 2026-11-13T09:21:39.000Z
Section: People

> Rebuffo said he started the role last week and will work with the foundation’s technical team and management.

Giulio Rebuffo has joined the Ethereum Foundation in a role focused on applied AI and client development, after working on Erigon software and its proof-of-stake Merge upgrade.

Rebuffo said Nov. 13 that he began the job the previous week. He said he will work with the foundation’s technical team and management.

Before joining the foundation, Rebuffo was chief technology officer at Erigon, an Ethereum client. He created Caplin, which is built into Erigon as a consensus client, and participated in implementing Erigon’s proof-of-stake Merge upgrade.

He previously worked at ETH_en and Erigon.