Eric van der Vlist is an independent consultant and trainer. His domain of expertise include Web development and XML technologies.
He is the creator and main editor of XMLfr.org, the main site dedicated to XML technologies in French, the author of the O'Reilly animal books XML Schema and RELAX NG and a member or the ISO DSDL (http://dsdl.org) working group focused on XML schema languages.
He his based in Paris and you can reach him by mail (vdv@dyomedea.com) or meet him in one of the many conferences where he presents his projects.