Priscilla Walmsley serves as Managing Director of Datypic, an XML and Web Services consulting firm. Ms. Walmsley has over thirteen years experience as a consultant, software architect, developer, and data administrator. She has held positions at RELTECH Group, Platinum technology, XMLSolutions Corporation (as a VP and co-founder), and Vitria Technology. She is a member of the XML Guild.

Walmsley was a member of the W3C XML Schema Working Group from 1999 to 2004, where she most recently served as an Invited Expert. She is the author of Definitive XML Schema (Prentice Hall), as well as the forthcoming book Definitive XQuery. In addition, she co-authored the book XML in Office 2003 with Charles Goldfarb.

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