Kauppinen studied double bass at the Sibelius Academy and the Cologne University of Music under Jussi Javas and professor Veit-Peter Schüssler, subsequently enrolling in master classes and studying privately under Franco Petracchi, Esko Laine, Janne Saksala and Duncan McTier.
Kauppinen’s concert début was awarded in Helsinki by the Sibelius Academy in 2000, and he was granted a Pro Musica scholarship in the same year. Even while still studying, he reached the semi-finals of international double bass competitions in Moscow and Geneva. He also won first prize in the 1996 “Kemira Master Class” solo competition.
Kauppinen’s working assignments have included service with the Helsinki Philharmonic Orchestra, the Savonlinna Opera Festival Orchestra, the Galician Symphony Orchestra in Spain, the Royal Northern Sinfonia in the UK and the Deutsche Kammerakademie Neuss am Rhein in Germany.
He has performed extensively at chamber music festivals in recent years. Besides Naantali Music Festival, these include Kuhmo Chamber Music Festival, Oulunsalo Soi Chamber Music Festival and the Korsholm, Iitti and Hauho Music Festivals.