• Kokkonen, a defenseman, skated for Jukurit in the Finnish Elite League in 2018-19 where registered 3-16—19 in 56 games.

• Internationally, Kokkonen helped Team Finland capture gold at the 2018 Under-18 World Championship (0-3—3 in 7 GP) and represented his country again at the same tournament in 2019. He also played for his country at back-to-back Hlinka Gretzky Cup tournaments in 2017 and 2018.

• Models his style of play after Blackhawks defenseman Duncan Keith.