Jean-François is a System / Infrastructure Engineer currently working as a MySQL Open Source Developer in Aiven’s Open Source Program Office (OSPO). Before that, his missions were improving operations and scaling MySQL and MariaDB infrastructures at HubSpot, MessageBird and Booking.com. J-F is also the maintainer of Planet for the MySQL Community: a news aggregator for the MySQL Ecosystem. Before being involved with MySQL, he worked as a System / Network / Storage Administrator in a Linux and VMWare environment, as an Architect for a Mobile Telco Service Provider, and as a C & Java Programmer in an IT Service Company. Even before that, while learning computer science, Jeff studied Cache and Memory Consistency in Distributed Systems and Network Group Communication Protocols (yes, the same as Group Replication).