Arnold Koller is a Swiss professor and politician. He served as a member of the Federal Council from 1987 to 1999 for the Christian Democratic People's Party. Koller previously served as a member of the National Council from 1971 to 1986. Wikipedia
Born: 1933 (age 90 years), St. Gallen, Switzerland
Previous offices: President of the Swiss Confederation (1997–1997), President of the Swiss Confederation (1990–1990), and Member of the Swiss Federal Council (1986–1999)
Education: University of St. Gallen and University of Fribourg