LEON ATKINSON is a freelance Web developer and architect who has been working with PHP since 1997. He formerly served as chief technologist for Clear Ink in Walnut Creek, CA, where he specialized in designing and implementing complex, PHP-based Web applications that automate business processes. He is author of Core MySQL.
ZEEV SURASKI is co-creator of PHP 5’s Zend Engine 2. He also wrote many of PHP’s core features, including its abstracted Web server API, thread safety, MySQL support, and output buffering. He co-founded Zend Technologies and currently serves as its chief technology officer.