Christian Wenz is an architect, consultant and author focusing on web technologies. He wrote or co-wrote over 100 books, is a fixture at international developer conferences since 2001, is a Microsoft Most Valuable Professional (MVP) for Developer Technologies since 2004, and the main author of the official Zend PHP certification. His day job includes conducting security audits, migrating old code bases, implementing complex web applications and helping companies choose the right web strategy and web technology mix.