Works on [XOTcl], [OpenACS], [XoWiki], [NX, the Next Scripting Language]. Head of the Institute of Information Systems and New Media at the Vienna University of Economics and Business Administration (http://nm.wu-wien.ac.at). Member of the OpenACS Core Team (http://openacs.org), Member of the Board of the DotLRN Consortium (http://www.dotlrn.org) <> Person