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 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 one of the largest Brussels law firms.
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 he 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. Prof. Dumortier is the editor of the International Encyclopedia of Cyberlaw (Kluwer International Publishers) and editorial board member of many other specialized publications.
Prof. Dumortier is regularly working 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.
Jos Dumortier works part-time as an attorney-at-law at the Brussels Bar. He is one of the founding partners of the specialized information and technology law firm "time.lex".