He has built numerous dynamic, enterprise application using Java, Hibernate, MySQL, XML, AspectJ, servlets, JSPs, Resin, BroadVision, and other technologies. He is the author of “Mastering JXTA and the co-author of “MySQL and Java Developers Guide and “Professional Java Tools for Extreme Programming. Joe holds Bachelors and Masters degrees in Computer Science and is currently pursuing a Ph.D.