The XML Guild

          where you find established XML experts . . .

Members

Kal Ahmed
Michel Biezunski
Mike Brown
Ronald Bourret
Anthony Coates
Tony Graham
Betty Harvey
Ken Holman
Michael Kay
Evan Lenz
Benoît Marchal
David Megginson
Steve Newcomb
Nikita Ogievetsky
Uche Ogbuji
Zarella Rendon
Jeni Tennison
Eric van der Vlist
Priscilla Walmsley
Sam Wilmott

The XML Guild has members in Belgium, Canada, France, Ireland, the United Kingdom, and the U.S.A., all of whom are willing to work with customers in other locations. 

Member Profiles

Kal Ahmed

Kal Ahmed is co-founder of Networked Planet Limited a company specializing in practical topic map solutions for the .NET platform. He has a long experience with XML and SGML document management systems and more recently has worked extensively with Topic Maps both as a founder member of TopicMaps.Org and contributor to the XTM 1.0 specification; as co-editor of the forthcoming revision of the ISO Topic Maps standard ISO 13250 and also as a developer of the open-source topic map toolkit TM4J.

Website: http://www.networkedplanet.com/
Email: kal.ahmed@networkedplanet.com


Michel Biezunski

Michel Biezunski is a consultant in the field of information management based in New York City, working under the name Infoloom. He is assisting his customers by finding innovative ways to leverage complex networks of existing information repositories, and providing ways to interconnect pieces coming from various places. The products are navigational networks customized for various user needs (possibly displaying multiple perspectives). Michel's working experience covers various domains, including the publishing, finance, healthcare, and media industries, and governmental agencies. Michel's focus is in the area of semantic integration, auditable information systems, XML/SGML Applications, navigation models within complex information sets, and hyperlink-based models. He is recognized as the main initiator and co-inventor of the Topic Maps standard (ISO/IEC 13250). He has written many articles and developed and conducted numerous workshops. Michel is now working on innovative solutions for auditability and integration of information systems.

Website: http://www.infoloom.com/
Email: mb@infoloom.com


 

Mike Brown

Mike Brown is a software engineer and web technology consultant specializing in Unicode, XML, data modeling, data conversion, and standards compliance. Since early 1993, he has been applying open source technologies for the management and publication of content and metadata on the Internet. He helped develop web clients and servers in 1994, the same year he and cofounded one of the first (and now the longest running) non-commercial, non-academic web sites. He is an XML and XSLT guru, having worked extensively with both technologies since early 1999. Aside from being well known as a tutor and mentor, he has made numerous contributions to standards that shape the web, including XML 1.0 2nd Edition, XSLT 1.0 and 2.0, EXSLT, XQuery 1.0, XPath 2.0, XHTML 1.0, Character Model for the WWW 1.0, SAX 2.0, the URI and IRI standards, and the Versa query language for RDF. He has been instrumental in the development of Fourthought, Inc.'s 4Suite.

Websitehttp://skew.org/~mike/resume
Emailmike@skew.org


Ronald Bourret

Ronald Bourret is a consultant, writer, and researcher, specializing in how XML and databases work together. As a consultant, he focuses on high-level projects, such as reviewing XML application architectures, designing features for XML / database tools, and introducing clients to XML and how it applies to their specific situation. His writing includes XML and Databases, often considered the standard introduction to the subject, the XML Namespaces FAQ, and an IBM Redbook about XML support in DB2. He also maintains a Web site with descriptions of more than 200 XML / database and XML data binding products.

Website: http://www.rpbourret.com
Email: rpbourret@rpbourret.com


Anthony B. Coates

Anthony B. Coates (Tony) is a London-based consultant who works with financial and enterprise clients on the design and mapping of data models, especially the production of enterprise message models based on industry standard XML or other message models. Tony is actively involved in numerous standards groups including ISO, UN/CEFACT, OASIS, MDDL, & FpML.

Website: www.londata.com
Email: abcoates@londata.com


Tony Graham

Tony Graham is a principal of Menteith Consulting Ltd. An Australian now based in Dublin, Ireland, he has previously worked with XML and other markup technologies in the USA and Japan. He is an invited expert on the FO subgroup of the W3C XSL Working Group and a previous member of the W3C XML Protocol Working Group and the OASIS Web Services Reliable Messaging TC. He is also the principal author of the xmlroff XSL formatter and the author of Unicode: A Primer, the first book about the Unicode Standard, and numerous articles and conference presentations on XML, XSL, XSLT, and Unicode.

Websitewww.menteithconsulting.com
EmailTony.Graham@MenteithConsulting.com


Betty Harvey

Ms. Harvey is President of Electronic Commerce Connection, Inc. Ms. Harvey has participated with many Government and commercial enterprises in planning and executing their migration to structured information. She is involved in the ebXML initiative and is the co-author of Professional ebXML Foundations published by Wrox, August, 2001, as well as many other publications. Ms. Harvey started and coordinates the Washington, D.C. Area SGML/XML Users Group . Prior to starting ECC, Inc., Ms. Harvey worked in Scientific and Engineering Computing at David Taylor Model Basic, NSWC. In her capacity with the Navy she participated in the development of US DoD CALS standards including IETMs, SGML and Internet protocols.

Websitehttp://www.eccnet.com
Emailharvey@eccnet.com


G. Ken Holman

Mr. G. Ken Holman is the Chief Technology Officer for Crane Softwrights Ltd., a co-editor of the UBL 2.0 specification, member of the W3C Working Group that developed XML from SGML, the founding chair of the two OASIS XML and XSLT Conformance Technical Committees and current chair of the Code List Representation Technical Committee and UBL HISC and SBS subcommittees and two task groups, a former international secretary of the ISO subcommittee responsible for the SGML family of standards, the current chair of the Canadian committee to the ISO, the author of electronically-published and print-published books on XML-related technologies, and a frequent conference speaker.

Websitehttp://www.cranesoftwrights.com/links/trn-guild.htm
Emailgkholman@CraneSoftwrights.com


Michael Kay

Michael Kay is the developer of the Saxon XSLT and XQuery processor. He is the editor of the XSLT 2.0 specification and is also a member of the XQuery working group in W3C. He wrote the Wrox Press book XSLT Programmers Reference, widely accepted as the definitive reference on XSLT, which is now in its third edition, and he has delivered a wide variety of papers, articles, and seminars on subjects related to XSLT and XQuery. He is based in the UK, and has 30 years' experience in the industry working with a wide variety of information management technologies. He founded Saxonica Limited in 2004 to continue the development of the Saxon technology and to provide services to Saxon integrators and users. Assignments undertaken include customized training courses and seminars, strategic advice on technology selection and application architecture, project mentoring, code reviews and performance tuning, and integration of Saxon into third-party tools.

Michael Kay is the joint winner (together with Norman Walsh) of the XML Cup 2005 awarded for services to the XML community.

Website: http://www.saxonica.com/
Emailmike@saxonica.com


Evan Lenz

Evan Lenz is an independent XML consultant specializing in XSLT. He is author of O'Reilly's XSLT 1.0 Pocket Reference, co-author of Office 2003 XML, and contributor to Word Hacks. He has written articles, spoken at conferences, and served as invited expert on the W3C XSL Working Group. He lives in Seattle with his wife and three children.

Website: http://www.xmlportfolio.com
Emailevan@evanlenz.net


Benoît Marchal

Benoît Marchal is a Belgian consultant. He is the author of XML by Example, Second Edition and other XML books. He has also published close to two hundred articles on XML, web services and related technologies.

Website:
Professional website www.psol.com;
Personal website www.marchal.com
Emailbmarchal@pineapplesoft.com


David Megginson

David Megginson, principal of Megginson Technologies, has been active within the SGML and, later, XML communities since 1991. He led the original initiative that created SAX, the Simple API for XML, which is now the most widely used streaming API for XML and has been implemented in products by IBM, Oracle, Apache, and Sun, along with many others.

David's work includes consulting and development for many companies and organizations, a large number of Open Source software packages, and two books: Structuring XML Documents (1998) and Imperfect XML (2004).

David formerly chaired the XML Information Set Working Group at the World Wide Web Consortium (W3C) and served as a member of the W3C's XML Working Group and XML Co�ordination Group. David is currently chair of the annual XML conference: the next conference will be held in Boston from 5-7 December 2006.

In Spring 2000, David was proud to receive the Java Technology Achievement Award For Outstanding Individual Contribution to the Java Community from Sun Microsystems and JavaPro magazine.

Website: http://www.megginson.com/
Emaildavid.megginson@megginson.com


Steve Newcomb

Steve spends much of his time on semantic integration activities, often with reference to the ISO "Topic Maps" standard. His clients include government agencies, technology developers, and publishers.

Steve has recently open-sourced his Versavant subject addressing engine. He assists Michel Biezunski in maintaining the production system for IRS Tax Map. He serves as co-editor of the Topic Maps International Standard, ISO 13250. With Patrick Durusau, he is helping to draft ISO 13250-5, the Topic Maps Reference Model.

Steve is also co-chair the Extreme Markup Languages annual conference series in Montreal every August (www.extrememarkup.com).

Website: http://www.coolheads.com/
Emailsrn@coolheads.com


Nikita Ogievetsky

Nikita Ogievetsky is a New York based consultant. He is an expert in Information Architecture, Data Modeling and Knowledge Sharing and Interoperability.

He leads the community in finding simple solutions for real life problems on the enterprise scale. Nikita contributed to the XTM 1.0 specification and is a funding member of TopicMaps.Org. He presented and published papers on the subjects of XML, XSLT, Knowledge Technologies, Physics and general computer science. As an author he has contributed to both XML Topic Maps (Addison-Wesley) and XSLT Cookbook (O'Reilly).

Website: http://www.cogx.com/
Email: nogievet@cogx.com


Uche Ogbuji

Uche Ogbuji is a Computer Engineer, co-founder and CEO of Fourthought, Inc. He has well over a decade's experience in professional consulting on software development, data design and distributed systems. He also co-develops 4Suite, an open-source platform for XML and RDF processing. He is lead designer of the Versa query language for RDF, and several other influential technical reports. He is columnist for IBM developerWorks, Application Development Trends and XML.com. He has written over 200 articles on XML, Web Services and RDF in professional publications and speaks extensively at conferences worldwide.

Fourthought, Inc. is a consultancy that helps clients generate value from XML and other Web technologies.

Websitehttp://fourthought.com/
Emailuche.ogbuji@fourthought.com


Zarella Rendon

Zarella Rendon is the Managing Director and Principal Consultant at XML-Factor. Her focus is implementing end-to-end customer solutions for document and data transformation, management, and reuse. She works with XML and related standards, and applies her specific talents of connecting XML concepts with real world applications. Ms. Rendon works within the XML community to influence the direction of emerging technology standards. She is a member of OASIS, the W3C XSL Working Group, and several industry groups where she strives to help further the development, support, and use of standards in vertical markets.

Websitehttp://www.xml-factor.com
Emailzarella@xml-factor.com


Jeni Tennison

Jeni Tennison is an independent consultant specialising in XSLT and XML Schema development. She trained as a knowledge engineer, gaining a PhD in collaborative ontology development, and since becoming a consultant has worked on using XML in a wide variety of areas, including publishing, water monitoring and financial services. She is the author of XSLT & XPath On The Edge (Hungry Minds, 2001), Beginning XSLT (Wrox, 2003) and Beginning XSLT 2.0 (Apress, 2005), one of the founders of the EXSLT initiative to standardise extensions to XSLT and XPath, and an invited expert on the W3C XSL and XML Processing Working Groups.

Websitehttp://www.jenitennison.com
Emailjeni@jenitennison.com


Eric van der Vlist

Eric van der Vlist is CEO and founder of Dyomedea . He has, before starting Dyomedea, managed technical teams for 6 years at Sybase . At Sybase, he has also developed an Intranet to facilitate team operations and access to the technical support legacy system. This engineer, graduated from Ecole Centrale de Paris (1981) has also managed development teams for small companies and worked for 6 years at Philips . He has a passion for technique (especially for Internet, XML and open source software) and, open minded, has developed a global knowledge of the different activities of a company.

Website: http://xmlfr.org
Website: http://dyomedea.com
Emailvdv@dyomedea.com


Priscilla Walmsley

Priscilla Walmsley is an independent consultant and trainer specializing in XML architecture and implementation, XML and XML Schema design, XQuery and XSLT development, and content management. Ms. Walmsley has over fifteen 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.

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

Website: http://www.datypic.com
Emailpwalmsley@datypic.com


Sam Wilmott

Sam Wilmott started using markup languages in the late '60s. Since then he has led the development of typesetting/text-formatting systems for the Canadian Government Printing Office and for a major real-estate company, implemented one of the first SGML parsers (which was also the first pull-model markup parser), and is the originator of the OmniMark programming language (http://developers.omnimark.com), with its strong support of SGML, XML, and text transformation.

Nowadays Sam is working in the XSLT world: he has recently contributed to the implementation of an XSLT compiler and currently works as an XSLT programmer and analyst. And is thinking about where XML processing is heading.

Website: http://www.wilmott.ca
Emailsam@wilmott.ca