Career
He was selected by the Blue Jackets in the 3rd round (62nd overall) of the 2012 National Hockey League Entry Draft. Korpisalo played professionally in his native Finland in the Master of Science-liiga during the 2012-2013 and 2013-2014 seasons for Jokerit and Ilves respectively. On 21 March 2014, the Columbus Blue Jackets of the National Hockey League signed Korpisalo to a three-year entry-level contract.
Joonas is the son of former Liiga forward Jari Korpisalo.