Thierry Stoehr has been deeply involded in the free software community since 1998 (for conferences, articles, demo). He was 7 years President of the free software AFUL association, and is now one of its vice-president. He cocreated in 2004 the blog Formats-Ouverts.org : he is the Redactor in Chief, with more than 2,700 articles about formats and interoperability.