Chairmanship
Chairmanship of the Conference of European Constitutional Courts
07 06 2008–27 05 2011
Constitutional Court of Romania
20 05 2005 – 06 06 2008
Constitutional Court of Lithuania
18 05 2002 –19 05 2005
Supreme Court of Cyprus
22 05 1999 – 17 05 2002
Court of Arbitration of Belgium
10 05 1996 – 21 05 1999
Constitutional Tribunal of Poland
14 05 1993 – 09 05 1996
Constitutional Council of France
1 5 1987 - 10 05 1990
Constitutional Court of Turkey
28 10 1984 - 30 04 1987
Constitutional Tribunal of Portugal
1 11 1981 – 27 10 1984
Constitutional Tribunal of Spain
1978 – 30 10 1981
Federal Supreme Court of Switzerland
1976 – 1978
Constitutional Court of Austria
1974 – 1976
Constitutional Court of Italy
1972 – 1974
Federal Constitutional Court of Germany
Constitutional Court of Yugoslavia