Joel de Guzman is the main author of the Boost.Spirit Parser library, the Boost.Fusion library and the Boost.Phoenix library. He has been a professional software architect and engineer since 1987. Joel specializes in high quality, cross platform libraries, particularly—but not limited to—those written in C and C++. Joel is an expert practitioner of modern C++ techniques, template metaprogramming and functional programming, with a focus on generic programming and library-centric design.