Päivi Hämäläinen works as a neuropsychologist in Masku Neurological Rehabilitation Centre since 1990 (neuropsychological assessments, counselling and rehabilitation) and as head psychologist since 1999. Clinical and research supervisor for several neuropsychologists working with MS patients or making scientific work on cognitive impairments in MS and other neurological diseases. Supervisor in Lic. studies: Seinelä Arja, Helin Pia, Rosti-Otajärvi Eija, Multanen Johanna, Okker Elina, Huolman Sini, Hankomäki Elina, Liuha Sanna, Ikonen Anna, Suomalainen Susanna, Mäntynen Anu, Elina Castren, Kati Mäkinen. Supervisor in PhD studies: Rosti-Otajärvi Eija (PhD), Himanen Leena (PhD), Huolman Sini, Saarenketo Anna-Riitta, Liuha Sanna. Official opponent in PhD studies: Koskinen Sanna, Kettunen Jani, Rapeli Pekka, Kjersti Troeland-Hanssen, Heidi Losoi. Head of the Masku neurological rehabilitation centre since 2011. Chair of the RIMS Special Interest Group in Psychology and Neuropsychology 2001-2010, as a co-chair 2010-2011. Member of the steering committee of the Finnish Neuropsychological Society 2006-2012. Member of the Neuropsychological work group in the Finnish Psychology Association 2005-2011. Member of the medical and neuropsychological steering groups of the Finnish National Insurance Institution’s VAKE –project (Project to develop rehabilitation for severely handicapped patients with MS, stroke and CP). Member of the Executive board of the Rehabilitation in Multiple Sclerosis (RIMS) 2011-2014 (secretary), 2014 – (SIG coordinator). Member of the Executive Board of the International MS and Cognition Society (IMSCogS). Member of the Advisory Board of the University of the Applied Sciences in Turku (Health Care and Social sciences) from 2015.