Arnold Koller is a Swiss

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 politician and member of the Swiss Federal Council (1986–1999).

He was elected to the Federal Council of Switzerland on December 10, 1986 as a member of the Christian Democratic People's Party of Switzerland

Christian Democratic People's Party of Switzerland

The Christian Democratic People's Party of Switzerland is a Christian democratic political party in Switzerland. It is the fourth-largest party in the National Council, with 31 seats, and the largest in the Council of States, with 15 seats. It has one seat, that of Doris Leuthard, on the Swiss...

 from the canton of Appenzell Inner Rhodes. He handed over office on April 30, 1999.

Arnold Koller is currently Chairman of the Board of the Forum of Federations

Forum of Federations

The Forum of Federations is an international organization based in Ottawa, Canada. The Forum and its partners form a global network on federalism. It brings together elected officials, civil servants and experts in federalism from about 20 countries to learn from each other...

. This is an international organization designed to help develop best practices in countries around the world with federal systems of government.

During his time in office he held the following departments:

• Federal Military Department (1987–1988)
• Federal Department of Justice and Police (1989)
• Federal Military Department (1989)
• Federal Department of Justice and Police (1990–1999)

He was President of the Confederation twice in 1990 and 1997.