1988–1990: James F. Jerger
1990–1991: Fred Bess
1991-1992: Jerry Northern
1992-1993: Linda Hood
1993-1994: Lucille Beck
1994-1995: Robert Keith
1995-1996: Carol Flexer
1996-1997: Barry Freeman
1997-1998: Deborah Hayes
1998-1999: Sharon Fujikawa
1999-2000: Robert G. Glaser
2001: David A. Fabry
2002: Angela Loavenbruck
2003: Brad Stach
2004: Richard Gans
2005: Gail Whitelaw
2006: Paul Pessis