Francesco Marchioni is a Red Hat Certified JBoss Administrator (RHCJA) and a Sun Certified enterprise architect working as a freelancer in Rome, Italy. He started learning Java in 1997, and since then, he has followed the path to the newest application program interfaces released by Sun. In 2000, he joined the JBoss community, when the application server was running the release 2.X. He has spent many years as a software consultant, wherein he envisioned many successful software migrations from vendor platforms to open source products such as JBoss AS, fulfilling the tight budget requirements of current times. Over the past 5 years, he has been authoring technical articles for OReilly Media and running an IT portal focused on JBoss products (http://www.mastertheboss.com). In December 2009, he published JBoss AS 5 Development, which describes how to create and deploy Java Enterprise applications on JBoss AS (http://www.packtpub.com/jboss-as-5-development/book). In December 2010, he published his second title, JBoss AS 5 Performance Tuning, which describes how to deliver fast and efficient applications on JBoss AS (http://www.packtpub.com/jboss-5-performance-tuning/book). In December 2011, he published yet another title, JBoss AS 7 Configuration, Deployment, and Administration, which covers all the aspects of the newest application server release (http://www.packtpub.com/jboss-as-7-configuration-deploymentadministration/book). In June 2013, he authored a new title, JBoss AS 7 Development, which focuses on developing Java EE 6 API applications on JBoss AS 7 (https://www.packtpub.com/application-development/jboss-7-development).