Alejandro Santander, known as The Ethernaut, is a software engineer and Ethereum smart contract developer with nearly two decades of experience in software development, including the last seven years focused on Ethereum’s application layer.

Alejandro’s mission is to ensure the security and resilience of Optimism’s governance and protocol operations. He believes in meticulous validation of every decision, double-checking every detail, and making no assumptions when it comes to protocol security.