During the period of 1997–2011 he worked as professor at the University of Oulu and was elected as vice-dean of the Department of Educational Sciences in 2006.
[4] He was a professor of Lithuanian University of Educational Sciences since 2012 where he headed the Research Laboratory of Play (LUES, VMU).
He was editor-in-chief of Journal of Russian & East European Psychology[5] and served on the editorial boards of Forum Oświatowe [pl] and Cultural-Historical Psychology [ru].
[6] His research interests included creative, developmental teaching and learning in preschools, schools and higher education, narrative learning and development in play and virtual environments.
[4] He published a number of books in Finnish, English, and Lithuanian.