Chairmanship
Chairmanship of the Conference of European Constitutional Courts
28/5/2011–14/5/2014
The Constitutional Court of Austria
7/6/2008–27/5/2011
The Constitutional Court of Romania
20/5/2005–6/6/2008
The Constitutional Court of Lithuania
18/5/2002–19/5/2005
The Supreme Court of Cyprus
22/5/1999–17/5/2002
The Constitutional Court of Belgium
10/5/1996–21/5/1999
The Constitutional Tribunal of Poland
14/5/1993–9/5/1996
The Constitutional Council of France
1/5/1987–10/5/1990
The Constitutional Courtof Turkey
28/10/1984–30/4/1987
Constitutional Tribunal of Portugal
1/11/1981–27/10/1984
The Constitutional Tribunal of Spain
1978–1981
The Swiss Federal Supreme Court
1976–1978
1974–1976
The Constitutional Court of Italy
1972–1974
Federal Constitutional Court of Germany
Constitutional Court of Yugoslavia