United States, Mexico, Brazil, Argentina, Chile, Peru, Japan and China. He has organized over 80 international symposia and congresses in Finland and abroad; he has supervised and attended defences of 107 doctoral theses in Finland and abroad Memberships He was member of the Executive Committee of the IASS/AIS (International Association for Semiotic Studies) in 1979–2000; Member of the Academia Europaea since 1987; Member of the Academy of Informatization, Moscow since 1994; Member of the Board of the South-Eastern European Semiotic Center, Bulgaria, since 2000; Member of the Grant Selection Committee for the International Kyoto Prize, Japan, 1996; Member of the Wihuri Foundation International Prize Committee 2000,2003, 2005, 2009 and 2015. He was President of the Finnish Musicological Society 1995-98 and President of the Finnish Society for Aesthetic 1986–87; he is Member of the Finnish Science Society since 1998 and Member of the Scientific Academy of Finland since 1990 He is Member of the Board of Niilo Helander Foundation; he was Member of the Board of Pro Musica Foundation 1984–2010; Member of the Board of Promotion of Finnish Art Music Foundation 1984–1997; Member of the Council for Arts Education by the Finnish Parliament, 2011- Member of the Cultural Board of Southern Savo Region, Finland, 2011- In the publishing field he is active in the following journals and academic series: he is Member of the International Editorial Board of "Seemiootikee", Sign Systems Studies, University of Tartu; Member of the International Editorial Board of the Journal "DeSignis" (Publicacion de la Federación Latinoamericana de Semiótica);Member of the International Editorial Board of the Journal ’Signa’ (Spanish Society of Semiotics); Member of the Editorial Board of Interdisciplinary Studies in Musicology (Poznan);Member of the Editorial Board of “Lithuanian musicology”; Member of the Advisory Board of TRANS (electronic journal on musicology and ethnomusicology, Barcelona); Member of the Advisory Panel of “Musica Humana”, Journal of Korean Institute of Musicology; Member of the Advisory Board of “Perspectiva Interdisciplinaria de Musica”, UNAM, Mexico; Member of the Honorary Committee of LEXIA, Journal of Semiotics, Turin, Italy; Member of the Editorial Board of Jean Sibelius Gesamtausgabe; Chief Advisor of the Chinese Semiotic Studies, Nanjing Normal University Press; Member of the Editorial Board of Revista EIMAS (Encontro Internacional de Música e Arte Sonora), Universidade Federal de Juiz de Fora, Brasil (from 2011 on); Member of the Scientific committee of the publishing series Théories et critiques, at L’Harmattan, Paris, since 2011; Member of the Board