Erik Hennum is a member of the OASIS DITA Technical Committee and an Information Strategist for IBM Systems and Technologies Group. For IBM and Informix, he has worked on Information Architecture as well as design and processing of XML and SGML documents. For DITA, he helped shape the principles of domain specialization. He has spoken about DITA at the Society for Technical Communication, the Writers UA conference, the Content Management Strategies Conference, the OASIS Symposium, the Extreme XML conference, the Semantic Technologies Conference, and elsewhere.