Jos Dumortier graduated in Law at K.U.Leuven (1973). After postgraduate studies in Nancy (Centre Européen Universitaire, 1974) and Heidelberg (DAAD, 1975), he became a research fellow at K.U.Leuven. In 1981 he finished his Ph.D. in Law with a dissertation on Private International Conflicts of Law.

From 1981 to 1992 he worked part-time as a lawyer in a large Brussels law office. From 1981 until 1983 he studied Information Science (INFODOC) at the Université Libre de Bruxelles. Between 1984 and 1992 he was part-time lecturer in Information Science at the University of Antwerp. In 1985 he became a part-time lecturer and in 1993 a full-time Professor in Law and IT at K.U.Leuven.

In 1990 Prof. Jos co-founded the Interdisciplinary Centre for Law and Information Technology and was the Centre’s first Director. From 1991 to present he has been active in lecturing, research and consultancy in the area of Law and ICT, and he has published several books and articles on this subject.

Jos Dumortier is the editor of the International Encyclopedia of Cyberlaw (Kluwer International Publishers) and editorial board member of many other specialized publications, and regularly works as an expert for the Belgian federal government, the Flemish government, the European Commission and several national and international organisations on issues relating to Law and ICT. Between June 2004 and June 2006 Jos Dumortier headed the IT law department of the Brussels based firm Lawfort, and on 1 July 2007 he co-founded the IT law firm time.lex, of which he is a partner and manager.