Jay is a software engineer working on the Drizzle database microkernel. Previously, he was a software engineer at Sun Microsystems and the North American Community Relations Manager at MySQL. Co-author of Pro MySQL (Apress, 2005), Jay has also written articles for Linux Magazine and regularly assists software developers in identifying how to make the most effective use of MySQL. He has given sessions on performance tuning at the MySQL Users Conference, RedHat Summit, NY PHP Conference, ZendCon, php-tek, OSCON, and Ohio LinuxFest, amongst others. He lives in Columbus, Ohio, with his wife, Julie, and his three dogs. In his abundant free time, when not being pestered by his three noisy dogs, he daydreams in code and ponders the ramifications of __clone().