Davey Shafik is a full time PHP Developer with many year of experience in PHP and related technologies. An avid magazine writer and book author, Davey keeps his mind sharp by trying to tackle problems from a unique perspective.
Lorna Mitchell is a freelance web development consultant and developer based in Leeds, UK. Lorna is a lead on the Joind.In open source project, an organizer of the PHPNW conference, and a prolific blogger.
Matthew Turland has been working with PHP since 2002. He has been a technical editor for php|architect Magazine, spoken at multiple conferences, served as an instructor for php|architect training courses, and contributed to Zend Framework. He currently works for Synacor.