Jonathan Wetherbee is a consulting engineer and tech lead for EJB development tools on Oracle's JDeveloper IDE. He has over 20 years of experience in development at Oracle, working on a variety of O/R mapping tools and overseeing Oracle's core EJB toolset since EJB 1.1. Most recently, Jon has been responsible for the design and development of EJB and JPA data binding solutions for ADF, Oracle's application development framework. Prior to joining the JDeveloper project, Jon was a product manager for Oracle's CASE (computer-aided software engineering) tools and worked on early object-relational frameworks. He received a patent in 1999 for his work on integrating relational databases in an object-oriented environment. Jon is coauthor of the first edition of this book, "Beginning EJB 3 Application Development: From Novice to Professional," and has published articles online in Java Developer's Journal and Oracle Technical Network. He enjoys speaking, and has given talks at conferences and developer groups, including Oracle's iDevelop (Bangalore, Taipei), The Server Side Java Symposium (Barcelona), and various Java user groups. Jon holds a Bachelor of Science degree in cognitive science from Brown University.