Research interests: The very early universe, CMB, inflation. Outside university: Vice president of the Finnish Sceptical Society SKEPSIS 1996-1998; board member of the Finnish Amateur Astronomical Society URSA 1999-2002; subeditor of the Finnish Physical Society Journal Arkhimedes 1997-2001; organizer of the exhibition “Mahdollisuuksia”, Lasipalatsi, Helsinki, 13.1.-7.2.1999; member of the Finnish Unesco Committee (Section of Natural Sciences) 1999-2001; member of the board of the Finnish Science Center Heureka 2000-2002; in the selection board for the Vuoden Tietokirja Book prize, 2002; in the selection board for the Tieto-Finlandia Book prize, 2002; member of the YLE Teema-television channel scientific advisory board 2002-2003; columnist at Tekniikka & Talous, 2002-2006; columnist at Suomen Lääkärilehti 2007-2009; columnist at GEO-lehti 2010- 2013; columnist at Etelä-Suomen Sanomat (2016-); columnist at Finnish Broadcasting Company YLE (2017-) Within university: Member of University teaching technology prize board 2003-2006; columnist at the Helsinki University journal Yliopisto 1999-2000; at the Studia Generalia advisory board 2011-2013.