Eduardo Gutentag has been involved in the SGML/XML world for over 10 years, and has participated in many SGML/XML related activities at W3C and OASIS (even when it was still called SGML Open), as well as at ebXML. He is currently a Senior Staff Engineer at the Web Technology and Standards organization of Sun Microsystems. He is Sun's W3C AC representative, and an elected member of the OASIS Technical Advisory Board. In the UBL group, he participates in the Naming and Design Rules subcommittee, and is the editor and chair of the Context Methodology subcommittee.