Professor in Statistics at Hanken School of Economics, Helsinki, 2000-2019, since then affiliated researcher. He has served as first vice-rector of Hanken 1993-1996, and as Chairman of the Finnish Statistical Society 1994.

His doctoral research was on statistical inference in Markov chains. Large experience of applying microeconometric, LISREL and other statistical methods within various subareas of business economics and economics. His papers have appeared in journals such as Health Economics, Journal of Empirical Finance, Leadership Quarterly, Journal of Economic Psychology, Health Policy.

His present research focuses on market microstructure, especially econometric modelling of time series of trade durations in finance. He is also involved in a project on writing the history of econometrics in Finland.

Long experience of cooperation with researchers from various economic areas, for example for long periods affiliated with the Institute for Housing and Urban Research (IBF) at Uppsala University (2000-2005) and with the health economics group at the Finnish Institute of Health and Welfare (THL, 1994-2017). He has been involved in EU funded projects EuroDRG, EuroHOPE, PPACTE.