Marcelo Altmann is a database professional with almost 20 years of experience working with MySQL. Over the years, he’s contributed code fixes to MySQL itself. As a C++ and Rust developer, he’s passionate about solving tough problems and building tools that make databases faster and more reliable. Marcelo loves sharing what he’s learned, which is why you’ll often find him speaking at MySQL conferences and events. He’s also part of the Oracle ACE program, a recognition of his contributions to the MySQL community. When he’s not knee-deep in code or databases, Marcelo enjoys geeking out over new technologies and connecting with others in the database world. Whether it’s about performance tuning or MySQL internals, he’s always up for a good chat.