Helena Ahonen, Eberhard-Karls-Universität Tübingen, Germany, 8/97-
Tapio Elomaa, Institute for Systems, Informatics and Safety, Joint Research Centre, European Commission, Ispra (Va), Italy 2/97-
Gösta Grahne, Université de Paris-Sud, Centre d'Orsay, France, 5/96
Gösta Grahne, Concordia University, Montreal, Canada, 9/97-
Kari Granö, Technische Universität München, Germany, 2-4/96
Teemu Kerola, University of Texas, Austin, USA, 8/97-7/98
Jyrki Kivinen, University of California at Santa Cruz, USA, 12/97
Heikki Mannila, Max Planck Institut für Informatik, Saarbrücken, Germany, 9/95-2/96
Jukka Paakki, Technische Universität München, Germany 2-3/96
Juha Taina, University of Virginia, Charlottesville, USA 9-12/96
Martti Tienari, University of British Columbia, Vancouver, Canada, 5-7/96
Martti Tienari, La Trobe University, Bundoora, Australia, 8/96
Olli Yli-Harja, University East Anglia, Norwich, UK, 1-5/98