Hao He is a Senior Architect and an expert in SOA and Web architecture with Object Consulting, Australia's leader in delivering enterprise business solutions using component-based technologies such as Enterprise Java, .NET, and open source. Dr. He is also experienced in Java/J2EE, XML, and all major XML-related technologies. He has a solid application modeling background using UML and has extensive knowledge of access control, cryptography, and system security. Dr. He is experienced in software design and verification and development process optimization. He is currently a member of JSR 311, which produces a new API for creating RESTful Web services; he was also a contributing member and editor of W3C's Web Service Architecture Group during its existence. Dr. He can be reached at Hao.He at objectconsulting.com.au.