Career
He is currently playing with HV71 of the Swedish Hockey League (SHL). Williamsson made his Elitserien debut playing with HV71 during the 2008-2009 Elitserien season.
He is currently playing with HV71 of the Swedish Hockey League (SHL). Williamsson made his Elitserien debut playing with HV71 during the 2008-2009 Elitserien season.
