Eero Heinonen has played as a soloist with several Scandinavian and European Symphony Orchestras and performed in Finland e.g. with the Radio Symphony Orchestra, Helsinki Philharmonic and Lahti Philharmonic. He appeared with internationally renowned conductors, such as Paavo Berglund, Okko Kamu, Leif Segerstam, Hannu Lintu, Klaus Mäkelä, George Malcolm, Arvid Jansons and Rudolf Baumgartner.

Eero Heinonen’s large concerto repertoire includes the complete Mozart and Beethoven concerti as well as romantic and contemporary works. 

Eero Heinonen’s solo recital venues include the Berwald Hall, Stockholm, the St. Petersburg Philharmonia, the Casals Hall, Tokyo, the Wigmore Hall, London and many international festivals. As a soloist and chamber musician he has performed in the Edinburgh, Luzern, Kraków, St. Petersburg and Georgia Festivals, as well as in the Helsinki, Naantali, Kuhmo, Savonlinna, Mänttä and Turku Music Festivals in Finland.

Eero Heinonen has played numerous solo evenings dedicated to Sibelius’s piano music in Finland and abroad, e.g. Stockholm, Berlin, Paris and London. 

He has been awarded the medal of the Sibelius Society, Hämeenlinna.

As a chamber musician and lied-pianist he has played concerts with eminent musicians such as Pierre Fournier, Arto Noras, Martti Talvela, Tom Krause and Peter Schreier.

Since 1977 Eero Heinonen works at the Sibelius Academy. He is well sought after as a pedagogue on international music festivals and conducts masterclasses in many conservatories and academies in Finland and abroad.

Eero Heinonen has been awarded the Finland-prize by the Finnish Ministry of Culture in 1999. He became professor of music in 2010.