Stoyan Stefanov is a Yahoo! web developer, Zend Certified Engineer, book author and contributor to the international PHP community. He talks regularly about JavaScript, PHP and other web development topics at conferences and his blog http://www.phpied.com and also runs a number of other sites, including http://www.JSPatterns.com - a site dedicated to exploring JavaScript patterns. Stoyan is the engineering lead of Yahoo's performance optimization tool YSlow, as well as other open-source tools and PEAR libraries.







