Dr Philippe Martin is Associate Professor at the University of La Réunion (France) since 2009. His main interests are knowledge representation (KR), sharing and retrieval. He developped one knowledge acquisition tool (CGKAT), two complementary knowledge servers (WebKB-1 and WebKB-2; webkb.org), several KR notations (e.g., FL, FE and FCG), an ontology of KR languages (KRLO; notations and models), one large general ontology (the MSO), some knowledge sharing protocols and some KR best practices. He obtained his PhD at the INRIA (France) in 1996. Then, for 11 years, he worked in Australia, first as a researcher at the University of Adelaide, Griffith University and DSTC, then as senior lecturer at Griffith University. After coming back to France in 2007, he first worked for Eurecom as a researcher and then at the University of La Réunion.