First HTML page: 1996.
First PHP script: 1999.
First symfony project: 2006.
Since 2010: Software architect with Explicatis GmbH, Cologne, Germany.
Author of several articles on PHP and symfony, see https://www.explicatis.com/referenzen/publikationen
Most recently I've written an article for PHP's 20th anniversary in German: http://www.heise.de/ix/heft/Elefantenrunde-2657843.html (free / grattis / gratuit)
Jörn Wagner is a member of the community since January 2007.