The accordionist Heidi Luosujärvi was born in Rovaniemi, Finland. She studied at the Sibelius-Academy in Helsinki with
Matti Rantanen and at the Folkwang University of Arts in Essen, Germany with Mie Miki. Further artistic impulses she has got from Ralf Gothóni, Young-Chang Cho and Juan José Mosalini among others.

Luosujärvi is a prize-winner in numerous international competitions as a soloist and as a chamber musician, including the “Arrasate Hiria”-competition in Spain, the JAA -accordion competition in Tokyo and the “Prix international de l’accordéon Luxembourg” as well as the international accordion competition in Klingenthal, Germany and the "Gaetano Zinetti" -chamber music competition in Italy.

Luosujärvi appears regularly as a soloist and as a chamber musician widely in Europe as well as in the USA, Asia and in the Middle East. She has played as a soloist with the Thailand Philharmonic Orchestra, with the Chamber Orchestra of Lapland and with the Kurpfälzisches Kammerorchester Mannheim.

Her chamber music partners have been among others Ma’alot Quintet, tenor Christoph Prégardien, cellist Alexander Hülshoff and pianist Jukka Nykänen. She presents world premieres and works frequently with composers of our time such as Toshio Hosokawa, Yuji Takahashi, Uljas Pulkkis, Wolfgang Rihm, Younghi Pagh-Paan, James Ogburn and Glenn Erik Haugland.

Heidi Luosujärvi has played recitals and chamber music concerts in many international music festivals and concert series such as Kuhmo Chamber Music, Musica Kalevi Aho, LuostoClassic, Altmark Festspiele, Westfalen Classics, RheinVokal, Stelzenfestspiele bei Reuth, Unerhörte Musik Berlin and Deià International Music Festival. Her concert performances have been broadcasted all over Europe by members of EBU as well as on German radio stations WDR3, DLF and SWR.

Her artistic work has been supported with grants by the Finnish Cultural Foundation, the Arts Promotion Centre Finland, the Werner Richard - Dr. Carl Dörken -Foundation and the Paulo Foundation among others.  

Right after her graduation in 2013 she was appointed accordion docent at the Folkwang University of Arts in Essen, Germany, specializing in performance studies and holded the position until 2021. Since October 2022 is Heidi Luosujärvi professor of accordion at the Anton Bruckner Private University in Linz, Austria.