Stoyan Stefanov is a Facebook engineer, author, and speaker. He talks regularly about web development topics at conferences, and his blog, www.phpied.com. He also runs a number of other sites, including JSPatterns.com - a site dedicated to exploring JavaScript patterns. Previously at Yahoo!, Stoyan was the architect of YSlow 2.0 and creator of the image optimization tool, Smush.it. A "citizen of the world", Stoyan was born and raised in Bulgaria, but is also a Canadian citizen, currently residing in Los Angeles, California. In his offline moments, he enjoys playing the guitar, taking flying lessons, and spending time at the Santa Monica beaches with his family.

Jeremy Rogers has been developing web-based applications in PHP and other languages for a little more than six years. Shortly after discovering phpBB in early 2002 and deploying it on a video-game website, he began tinkering with and learning about the internal workings of the software. Since then, he has authored dozens of expansions and tutorials related to phpBB. Jeremy currently serves the phpBB community as a phpBBHacks.com Support Team member, a capacity in which he has answered thousands of questions regarding the software, its applications, and related topics.