1989/1990 – Eliseo Rusnigo
1 990/1991 – Carlo Pirola
1991/1992 – Maria Rosa Corbetta
1992/1993 – Flavio Businaro
1993/1994 – Alfio Radice
1994/1995 – Felino Lissoni
1995/1996 – Carmelo Costanzo
1996/1997 – Franca Arienti
1997/1998 – Zelinda Chiodi
1998/1999 – Claudio Rovelli
1999/2000 – Claudio Rovelli
2000/2001 – Mariuccia Dorini
2001/2002 – Mariuccia Dorini
2002/2003 – Liliana Varisco
2003/2004 – Marco Vimercati
2004/2005 – Luca Brioschi
2005/2006 – Alda Pitzalis
2006/2007 – Flavio Riva
2007/2008 – Liliana Varisco
2008/2009 – Luca Brioschi
2009/2010 – Walter Celin
2010/2011 – Gaetana Ghezzi
2011/2012 – Alessandra Del Carro
2012/2013 – Angelo Mariani
2013/2014 – Luciana Colombo
2014/2015 – Achille Taccagni
2015/2016 – Prisca Van Deursen
2016/2017 – Roberto Giussani
2017/2018 – Giuseppe Tallone
2018/2019 – Gaetano Riva