• Robert C. Frasure (March 1992 – July 1994) (PDF 156 KB)
• Lawrence P. Taylor (July 1995 – August 1997) (PDF 136 KB)
• Melissa F. Wells (November 1998 – September 2001) (PDF 150 KB)
• Joseph M. DeThomas (December 2001 – July 2004) (PDF 141 KB)
• Aldona Zofia Wos (August 2004 – December 2006) (PDF 153 KB)
• Stanley Davis (Dave) Phillips (May 2007 – January 2009) (PDF 146 KB)
• Michael C. Polt (December 2009 – July 2012) (PDF 168 KB)
• Jeffrey D. Levine (September 2012 – September 2015) (PDF 165 KB)
• James D. Melville, Jr. (December 2015 – July 2018) (PDF 168 KB)