David Bau is the architect of XMLBeans, which he started after he couldn't find an XML Schema implementation in Java that met his needs. He has previously contributed to a wide range of different projects, including BEA Weblogic Workshop, Microsoft Internet Explorer, and the Microsoft .NET framework, and he is also the author of the open source "DQSD" search tool. He is currently a senior software engineer at J2EE leader BEA Systems.