Background
Nilsson was born on 6 May 1957 in Emmaboda, Sweden.
Nilsson was born on 6 May 1957 in Emmaboda, Sweden.
He studied to become an elementary school teacher, a profession he practised during the 1970s.
Nilsson is also a retired football referee. Early career
Nilsson also worked in the correctional system of Sweden. Nilsson was the chairman of the municipal board of Emmaboda Municipality between 1994 and 2006.
Referee
In the 1980s Nilsson started his career as a professional football referee.
Nilsson supervised his first Allsvenskan match in 1992 and became a Fédération internationale de football association certified referee in 1994. He is best known for supervising matches during the Union of European Football Associations Champions League (1999–2002).
He was also a regular choice for leading international matches in the 1990s, for instance at the 1997 Fédération internationale de football association World Youth Championship. Nilsson"s other official competitions included qualifiers for Euro 1996, Euro 2000, and the 1998 and 2002 World Cups.
He also worked as a fourth official during Union of European Football Associations Euro 1996.
The Swedish Football Association
After his career as a referee Nilsson remained in football and served as the chairman of Bohusläns Fotbollförbund until 2012.
Nilsson was also active as a member of the boards of directors at the Swedish Football Association before he was elected president of the association on 23 March 2012 after Lars-Åke Lagrell resigned.