Date of Birth: 
About Jan Davidsen
- Jan Davidsen (born 24 July 1950) is a Norwegian trade unionist. He is a firefighter by vocation and worked as such in Bergen.
- He was elected to the leadership in the Norwegian Union of Municipal Employees in 1985, became deputy leader in 1990 and leader in 1994.
- When this union merged to form the Norwegian Union of Municipal and General Employees in 2003, Davidsen served as leader until 2013.
- He was also a central board member of the Labour Party and secretariat member of the Norwegian Confederation of Trade Unions.
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