Xavier René-Corail is the Director of the GitHub Security Lab. His mission is to inspire the open source community, security researchers, and developers to secure open source software through better security practices. Prior to GitHub, Xavier was the Head of Developer Advocacy at Semmle, acquired by GitHub in 2019, and an engineering manager at Murex, where he drove the deployment of development best practices including eXtreme Programing (XP), test-driven development (TDD), Agile, DevOps, open source policy, and secure coding.