Siljamari Heikinheimo is known as a violinist and recently also as an opera director. As a violinist she appears regularly as a chamber musician and as a soloist. She has been a member of the Finnish Radio Symphony Orchestra during years 2012-2016 and nowadays subtitutes frequently as a concertmaster and a section leader in Scandinavian orchestras like Tapiola Sinfonietta, Helsinki Philharmonic Orchestra, Danish Chamber Orchestra and Trondheim Symphony Orchestra. She appears regularly at several festivals like Kuhmo chamber music festival, Summer Sounds Porvoo, Hauho Festival and Crusell Festival. She has recorded numerous Finnish compositions for the the Finnish Broadcasting Company. Heikinheimo is the artistic director of Sounds Of Books -concertserie, which takes it's place in Helsinki.
In the field of opera directing Heikinheimo has worked in Stefan Herheims directing team in Deutsche Oper im Rhein in Düsseldorf and in Komische Oper Berlin. She has also worked as an assistant director in the Finnish National Opera.
When she was four years old, started Siljamari Heikinheimo violin lessons in Espoo musicschool with Päivyt Meller and Grazyna Gebert. In 2003 she continued her studies at the Sibelius-Academy with Merit Palas. In Sweden she has studied in Edsbergs musikinstitut with Ulf Wallin (2005-2008). In 2011 she finished her studies with Petri Aarnio and played her final exam with exellent points at the Sibelius-Academy. Chamber music she has mostly been studying with Paavo Pohjola, Marko Ylönen and Mats Zetterqvist. The most significant masterclasses have been with Mi-Kyung Lee, Pavel Vernikov, Hagai Shaham, Ferenc Rados and Ralf Gothoni.