Programming on Linux since 1995. Main author of two highly regarded and widely used Free Software libraries written in C (libsndfile and libsamplerate). Programming in Ocaml since 2004 and Haskell since 2006. Second largest contributor to the DDC compiler (compiler for a Haskell like language written in Haskell). Part of the Debian Haskell Maintainers group and the Haskell Package Janitors group on Github..