Howard Katz is the owner of Fatdog Software, a company that specializes in software for searching XML documents, and is the author of XQEngine, a Java-based open-source XQuery implementation. He has more than 35 years of programming experience and is a long-time contributor of technical articles to the computer trade press, including columns on programming matters for both Microsoft and Apple.
Denise Draper is chief technology officer for Nimble Technology in Seattle and holds several patents for XML-based technology. She holds degrees from both CalTech and the University of Washington and is an editor of the Formal Semantics document.
Mary Fernández is a principal technical staff member in Large-Scale Programming Research at AT&T Labs—Research. She has been there since receiving a Ph.D. in Computer Science from Princeton in 1995. Mary is an editor of the Formal Semantics, XPath 2.0, and Data Model documents.
Michael Kay is the developer of Saxon, a highly-regarded XSLT processor, and is the author of the best-selling XSLT Programmer's Reference. He is an editor of the XSL Transformations, XQuery Serialization, and XPath 2.0 documents.
Jonathan Robie is the XML product architect at DataDirect Technologies, working on products that integrate XML and traditional data sources. He is a coauthor of Quilt, the immediate predecessor of XQuery, and is an editor of the main XQuery 1.0, XML Query Requirements, XQueryX, and XPath 2.0 documents.
Michael Rys sits on the Query Working Group on behalf of Microsoft, where he is the Product Manager for SQL Server XML Technologies. He is an editor of the Formal Semantics, XML Query Requirements, and XPath Full-Text Requirements documents.
Jérôme Siméon is a member of the technical staff at Bell Labs. He is one of the implementers of Galax, one of the first XQuery implementations. He is an editor of the XQuery 1.0, XPath 2.0, and Formal Semantics documents.
Jim Tivy has spent over ten years working on database technology. He represents XML Global Technologies on the Working Group. His own company, BlueStream Database Software Corporation, develops and markets XStreamDB, a native XML database product.
Philip Wadler is a researcher at Avaya Labs in New Jersey. He edits the Journal of Functional Programming for Cambridge University Press and is an editor of the Formal Semantics document.
Don Chamberlin, coauthor of the well-known SQL database language standard, is IBM's representative on the XML Query Working Group and is an editor of both the W3C's XML Query Use Cases and Data Model documents. In 2003, he was named an IBM Fellow, the company's highest technical honor. Don also coauthored Quilt, the immediate predecessor of XQuery.