Joonas Rönnberg
Joonas Rönnberg is a Finnish professional ice hockey defenceman. He currently plays for HC Ludwig in Vantaa, Finland. He previously played for Sheffield Steelers of the UK's Elite Ice Hockey League.
Rönnberg made his Swedish Hockey League debut playing with Leksands IF during the 2013–14 SHL season. After four seasons with Leksands, Ronnberg left as a free agent to sign a one-year contract in Germany with Düsseldorfer EG of the DEL on May 26, 2015.
In June 2017, Rönnberg moved to the UK to sign for EIHL side the Sheffield Steelers on a one-year contract.