Adam Ollas Mattsson

Adam Ollas Mattsson (born on July 30, 1996 in Stockholm) is a Swedish professional ice hockey defenceman. He is currently playing with the Malmö Redhawks of the SHL.

Playing career
Ollas Mattsson made his senior debut during the 2013–14 season in the HockeyAllsvenskan with Djurgårdens IF. Ollas Mattsson was selected by the Calgary Flames in the sixth round (175th overall) of the 2014 NHL Entry Draft.

Since 2015, Ollas Mattsson played with Djurgårdens IF in the SHL. At the conclusion of 2016–17 season, Ollas Mattsson pursued his ambition for a NHL contract in agreeing to a try-out contract to close out the year with the Stockton Heat of the AHL, the primary affiliate of draft club, the Calgary Flames, on March 21, 2017.

Ollas Mattsson played two full seasons with the Stockton Heat, appearing in a career high 65 games for 6 goals and 18 points in the 2018–19 season. Unable to garner an NHL contract from the Flames, Ollas Mattsson opted to return to the SHL in Sweden as a free agent, signing a two-year contract with the Malmö Redhawks on 28 May 2019.

Ollas Mattsson played for Swedish National Team at the 2013 World U17 Hockey Challenge, 2014 World U18 Championship and at the 2016 World Junior Championship.