Phil is the author of the C++ test framework, Catch2, and the composable command line parser, Clara. As Developer Advocate at Sonar he's involved with SonarLint, SonarQube and SonarCloud, particularly in the context of C++. He's also a member of the ISO C++ standards committee, organiser of C++ London and C++ on Sea, as well as co-host and producer of the cpp.chat and No Diagnostic Required podcasts.
More generally he's an advocate for good testing practices, TDD and using the type system and functional techniques to reduce complexity and increase correctness. He's previously worked in Finance and Mobile offers training and coaching in TDD for C++.