[1] In the 2008 Frozen Four, Ridderwall scored the game winning goal in overtime to send the Fighting Irish to the semifinals.

[1][2] Upon graduating from Notre Dame with a degree in finance,[1] Ridderwall made his professional debut in the American Hockey League with the Providence Bruins.

[4] Ridderwall enjoyed a largely successful season with DEG, finishing the year with an impressive 22 goals and 58 points in only 51 games to lead the entire DEL in scoring.

He was then signed to a lucrative Kontinental Hockey League contract with Czech club, HC Lev Praha on 15 April 2013.

After a first round defeat to Augsburger Panther, Ridderwall at the conclusion of the season requested his contract to be terminated from the remaining two years, in announcing his retirement from professional hockey to take up business opportunities back in the United States.