Alexandre is the CTO at Les-Tilleuls.coop and a leading figure in the PHP ecosystem. A major player in the open-source world, he is an active member of the Symfony and FrankenPHP Core Teams and part of the core maintainers of the PHP interpreter. His expertise in crafting robust, high-quality code is distilled in his book, "Clean Code in PHP". As an international speaker at conferences like SymfonyLive and ForumPHP, Alexandre shares his deep insights on topics ranging from cybersecurity to object-oriented programming theory, all connected by a common thread: designing maintainable software for the decades to come.