Junio Kimanen studied the piano at the Sibelius Academy, beginning at the Youth Academy with Marita Viitasalo and Juhani Lagerspetz and continuing at the Department of Solo Performance. He recieved his diploma in spring 1996 with excellent credit. Junio has completed his studies in Paris under Konstantin Bogino in 1991–95. In spring 1994 he achieved 3rd Prize in the International Bellini Chamber Music Competition in Caltanissetta, Italy.

Junio Kimanen has performed both as a soloist and a chamber musician in Finland, France, Italy, Canada and Japan, as well as a part of a piano duo with Konstantin Bogino. He also has appeared at many festivals, such as Kuhmo Chamber Music Festival, Joensuu Song Festival, Sea and Music Festival in Inkoo, and Orford Music Festival in Canada. Junio gave his debut concert at the Sibelius Academy in spring 2001 and was praised by the critics.

Junio Kimanen has participated in the Kuhmo Chamber Music Festival in various ways. The role of a young music course student has during the years changed into one as a festival artist and employee.