• Vice Director of The Algorithmic Data Analysis (Algodan) Centre of Excellence
• Associate Editor, Computational Intelligence (IF 3.310)
• Editorial Board Member, Data Mining and Knowledge Discovery (IF 2.421)
• Editorial Board Member, Machine Learning (IF 2.326)
• Editorial Board Member: The Computer Journal, (IF 1.327), Special Issue on Discovery Science
• Over 12000 citations, h-index 38 according to Google Scholar (Oct 2012)
• Current Programme Committee memberships:
  • AAAI 12 (Area Chair), ECAI 12 (Area Chair), ECMLPKDD 12 (Area Chair), ICDM 12 (Vice Chair), SDM 12 (Senior Member), ICDE 12, CIKM 12, ASONAM 12, IRF 12, IDA 12 (PC Advisor)

• Previous PC memberships:
  • ECML PKDD 11 (PC Vice Chair), SDM 11 (Senior Member), IDA (Senior Member), AAAI 11, EISIC 11, ASONAM 11, ICDE 11, DS 11
  • AAAI 10, ECML PKDD 10, BIBM 10, ASONAM 10, ICML 10, IDA 10, SDM 10, ICDM 10
  • ICDM 09 (Vice Chair), SIGKDD 09, BIBM 09, ICML 09, IDA 09
  • ICML 08 (Local Chair), PAKDD 08 (Area Chair), SIGKDD 08, ACM SAC 08, ECML PKDD 08, BIBM 08, ISBRA 08, SDM 08
  • ECML PKDD 07, CIKM 07, SIGKDD 07, BIBM 07, ICDM 07, CIDM 07, ICDE 07, IDA 07, PAKDD 07, SDM 07

Other past activities:

• Editor: Data Mining and Knowledge Discovery, 2005 - 2009
• Guest Editor: Journal of Machine Learning Research, Special topIc on Mining and Learning with Graphs and Relations, 2008
• Editorial Board Member: International Journal of Data Mining and Bioinformatics, 2006 - 2009
• Member of ERC Starting Grants evaluation panel, European Research Council (ERC), 2010 - 2011
• Head of Department of Computer Science, University of Helsinki, 2007-2009
• Director, Helsinki Graduate School in Computer Science and Engineering (Hecse), 2007 - 2011