Kalle Kanttila is the founder and director of IOA Management. International Opera Artists was established in 2012 and is an agency for opera singers and conductors. It is based in Munich (Germany) & Helsinki (Finland) and provides worldwide services in the field of opera. IOA has rapidly become one of the largest and most significant opera agencies in Europe and it marks itself off from typical European opera agencies thanks to its strong presence also in the USA.

Kalle Kanttila was born in Oulu, Finland. He began his music studies at the Helsinki Conservatory of Music and furthered them at the Zürich Conservatory and the Music Department of University Karlsruhe, Germany.   

Before founding IOA, Kalle Kanttila had a career as an opera singer appearing as a soloist at many important opera houses such as the Komische Oper Berlin, National Theater Mannheim, State Opera Wiesbaden, State Opera Darmstadt, State Opera Meiningen, State Opera Nürnberg, State Opera Karlsruhe, Alexander Theater Helsinki, Opera Wuppertal, Schwetzingen Music Festival as well as at the Savonlinna Opera Festival, among many others.