Ryusuke Kajiyama is Open Source Specialist with 10+ years of experience of systems design using MySQL and open source solutions. He originally joined MySQL AB, and is currently managing MySQL Sales Consultant team of Asia Pacific region at Oracle. Prior to join MySQL, he was Consultant at Nomura Research Institute, working on enterprise systems design with Oracle Database, WebLogic, Solaris, and various Open Source software including MySQL, JBoss and Linux. He is a Co-Founder of Japan JBoss Users Group.