David A. ChappellDave Chappell is vice president and chief technology evangelist for Sonic Software. Dave has over 20 years of experience in the software industry covering a broad range of roles including R&D, code-slinger, sales, support and marketing. He has a strog passion for shaping the future of technology, and enjoys sharing his knowledge and experience with others. Dave is well known for his writings and public lectures on the subjects of the Enterprise Service Bus (ESB), Message Oriented Middleware (MOM), enterprise integration, and evolving standards for Web services. As Director of Engineering for Sonic Software, Chappell led the development effort for SonicMQ, which has grown to become synonymous with enterprise messaging and the Java Message Service (JMS). He has extensive experience in distributed computing, including JMS and MOM, CORBA, COM, EJB and Web application server infrastructure. Dave's experience also includes development of client/server infrastructure, graphical user interfaces, and language interpreters. Chappell is noted for authoring the popular O'Reilly books on enterprise messaging and Web services, and serves as technical editor for Web Services Journal. Most recently, Chappell was honored by the editors of JavaPro for "Outstanding Contribution to the Java Community by an Individual". Read More Read Less