Professor at University of Turku since 1998. Associate Professor at Univ. of Turku 1994-98; at Univ. of Oulu 1991-94. Acting Professor at Helsinki School of Economics 1994-95. Acting Prof./Assoc. Prof. at Univ. Turku 1988-91. Dr. Soc.Sci, Univ. of Turku 1988. Fulbright Grantee Stanford Univ. 1986-87.

PI of Academy of Finland CoE 2011-2013 (2 years). Pi of Acdemy of Finland project 2013-16 (3 years). Member of the Management Committee of EU COST Action IC1205 (Computational Social Choice) 2012-16; Substitute Member of the Management Committee of EU COST Action CA15250 (European Network for Collaboration on Kidney Exchange Programmes) 2016-20.

Research visits: Autonomous Univ. of Barcelona 2008 (4 months); Kyoto Univ. 2010 (JSPS Fellow 1 month).

Current research: relations between Nash equilibria of noncooperative games played on networks and various network centraiity measures.

Previous research: existence of Nash equilibria in noncooperative games; asymmetric information and strategic interaction; analysis of solution concepts for cooperative games.

Teaching game theory classes in various universities in Finland over the years and also in Russia (Higher School of Economics Moscow). Teaching micro economic theory at the Finnish Doctoral Programme in Economics (FDPE) 2011-14; seminar coordinator at the FDPE 1991-99. Currently teaching micro economic theory and game theory at Univ. of Turku.