A native of Stockholm, Sweden, Ridderwall is a four-year product of Notre Dame. As an alternate captain in 2010-11, Ridderwall recorded 16 goals and nine assists for 25 points. The 6-0, 193-pound forward led the Fighting Irish in scoring in 2009-10 with a career-high 19 goals and 27 points.
Notre Dame's most valuable player in 2008-09, he recorded a career-high 32 points and led the team with 17 goals. The 23-year-old finished his collegiate career with 91 points on 57 goals and 34 assists.