· Dean, School Of Information Sciences, University of Tampere2011–2013
· Visiting Academic, University of Canterbury, Christchurch, NZ2009–2010
· Coordinator, COGAIN Network2004–2009
· Head, UCIT Graduate School2002–2010
· Visiting Professor, University of Oregon, Eugene1989–1990
· Professor, University of Tampere1985–2016
· Visiting Researcher, Cornell University1984–1985
· Associate Professor, University of Helsinki1984–1985
· Visiting Researcher, University of California, Berkeley1980–1981
· PhD, Computer Science, Helsingin yliopisto1969–1982