Kaisa Kortelainen has held the position of second solo flute with the Finnish Radio Symphony Orchestra since 2018. As a freelance musician, she has worked with multiple other orchestras in Finland and abroad, Ensemble Intercontemporain among them. Kortelainen also frequently performs with rotating ensembles, appearing in numerous music festivals domestically and internationally.

In addition to her orchestral work, Kortelainen cherishes collaboration with composers and artists in other fields. She has premiered several works by Finnish and French composers and is a member of the interdisciplinary Dayjob Collective. With time remaining after work and family time, Kortelainen also studies traverso.

Kortainen began her music studies at the Pielisen Karjala music school as a student of Satu Huuki. She completed her studies at the Sibelius Academy under Mikael Helasvuo, where she carried out her master’s degree in 2019. In addition, Kortelainen completed her master's studies at the Paris Conservatory in 2015-2017 with Philippe Bernold.