He played college basketball for the University of Washington.
[1] Flosi started his senior team career with Fram where he played until he went to the United States to study at Capital High School in 1979.
[2] After graduating, he received offers from several prominent colleges,[3][4] and eventually chose the University of Washington.
[5][6] Flosi debuted with the Icelandic national team in March 1980, scoring 7 points against Armenia.
[8] Flosi is the son of Erla Flosadóttir and former Icelandic national team player Sigurður Helgason.