As a long-time Oracle veteran, Christopher has worked for Oracle in both the US and Australia, liaising closely with the PHP community. He is the author of several technical articles on PHP and Oracle, and he co-released The Underground PHP and Oracle Manual (free from http://otn.oracle.com/php). Christopher has presented at conferences including the International PHP Conferences, the O'Reilly Open Source Convention, and the Zend/PHP Conferences. He also presents Oracle-PHP tutorials and PHPFests worldwide. Christopher's blog is at http://blogs.oracle.com/opal/.
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php|tek takes place in Chicago, IL, at the Sheraton Gateway Suites O'Hare hotel, minutes from Chicago's international airport.
