Dr. B. V. Kumar, currently Director (Technology) and Chief Architect at Cognizant Technology Solutions, has been working with Enterprise Java technologies for several years. He is a coauthor of Web Services–An Introduction and J2EE Architecture.
Prakash Narayan, cofounder and CTO at Micello, Inc., had responsibility for Java EE and SOA tooling in NetBeans when he worked at Sun Microsystems, Inc.
Tony Ng is the Senior Director of Engineering at Yahoo! where he is responsible for Yahoo! developer platforms and technologies. He is coauthor of Java Blueprints and J2EE™ Connector Architecture and Enterprise Application Integration (Prentice Hall, 2001).