Chairman, Department of Medicine, Karolinska Institutet/Karolinska Hospital 1993-1999; Member Nobel Assembly at Karolinska Institutet 1995 – 2012; Member Nobel Committee at Karolinska Institutet 1995-97, and 2009-2012. Chairman Nobel Assembly 2011. President, Annual European Congress of Rheumatology, Stockholm, 2002; Member Scientific Committee EULAR 2001-2003 and 2006-2009; Chairman Center for Pharmacoepidemiology at Karolinska Institutet 2005-; Chairman European Standing Committee for Investigative Rheumatology 2006-2008; Member UK Ministry of Health Commission for investigation of phase I trials (the anti-CD28 commission) 2006;. Director, Center for Molecular Medicine (Karolinska Institutet and Karolinska University Hospital) Aug 08 present