He worked for a short time as a solicitor and then became an advisor (Referent) and department head (Dezernent) in the administration for the state of Lower Saxony.
From 1991 as a department head in the district office of Celle he was responsible for the areas of social, youth, health, environmental and construction policy as well as regional planning.
On 21 February 1999 Wiswe was elected as the first full-time chief executive (Landrat) for the district of Celle.
[1] Wiswe is the first chairman of the Lower Saxon District Committee (Niedersächsischer Landkreistag).
This biography article about a member of the Christian Democratic Union of Germany (CDU) is a stub.