Siljamari Heikinheimo is known as a violinist and as an opera director. She is the artistic director of Rauma Festivo, and Sounds Of Books -concertserie, which takes its place in Helsinki. She works as a lecturer in the Arts Academy of  Turku. 

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 substitutes frequently as a concertmaster and a section leader in Scandinavian orchestras like Tapiola Sinfonietta, Helsinki Philharmonic Orchestra, Danish Chamber Orchestra and The Royal Danish Orchestra . She appears regularly at several European festivals and in ensembles like Avanti!, Helsinki Chamber Soloists and O/Modernt Chamber Orchestra. She has recorded numerous Finnish compositions for the Finnish Broadcasting Company. 

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.