Adriano Marangon de Lima

2017 - 2020

José Roberto Zucolotto Moura

2013 - 2016

Jânio Ivan Andreatta

2009 - 2012

Jânio Ivan Andreatta

2007 - 2008

Clóvis Poletto

2007

Vilmar A. Hernandes

2005 - 2007

Vilmar A. Hernandes

2001 - 2004

Jandir Quevedo Andreatta

1997 - 2000

Vilmar A. Hernandes

1993 - 1996

Jorge M. V. Leal

1989 - 1992

Jandir Quevedo Andreatta

1983 - 1988