Author of XSLT Working Draft, expat SGML/XML C++ parser, and XP/XT Java classes for XML/XSL parsing

Co-author of the XML 1.0 recommendation, now with Textuality, writes/edits for the xml.com magazine.

Author and frequent speaker on XML.

A member of the XML WG, a co-editor of the W3C XML schema Language, involved in developing WWW specifications since 1993. Frequent speaker and noted expert on XML and electronic commerce.

Managing Editor of XML.com, publisher of XMLhack.com

XML evangelist for IBM. Find his presentation material here. He gives technical, keynote, and customer presentations on Web Services and XML technologies and strategy, and has spoken at most XML conferences in 2000 and 2001..

Author of RXP parser, co-author of XSV schema validator. Co-editor of XML Infoset specification.