S. Tzafestas	(Greece)	2007-2009
	E.F. Camacho	(Spain)	2005-2007
	J.M. Maciejowski	(United Kingdom)	2003-2005
	J. L. Martins de Carvalho	(Portugal)	2001-2003
	P.M.Frank	(Germany)	1999-2001
	M. Gevers	(Belgium)	1997-1999
	A. Isidori	(Italy)	1995-1997
	J.C. Willems	(Netherlands)	1993-1995
	I.D. Landau	(France)	1991-1993