Mario is a Web3 security researcher with five years of experience. He works at Cantina and has conducted over 200 security reviews, including for MakerDAO and Euler. As a lead in Season 6 Audit Grants, he improved processes to ensure grants had a real impact and worked directly with over ten audit service providers.

Mario focuses on strengthening security in the Optimism ecosystem. He works to improve grant efficiency, guide audit providers, and ensure high security standards for projects. His goal is to make Optimism more secure and reliable.