| 1986-1989 |
Monica G. Turner |
| 1989-1991 |
James F. Thorne |
| 1991-1993 |
Louis R. Iverson |
| 1993-1995 |
Margaret M. Moore |
| 1994-1996 |
Jeffrey C. Klopatek |
| 1995-1997 |
Dean Urban |
| 1996-1998 |
Kevin Gutzwiller |
| 1997-1999 |
John Wiens
(International Congress) |
| 1998-2000 |
Fred Sklar |
| 1999-2001 |
Jianguo (Jingle) Wu
Laura Musacchio |
| 2000-2002 |
Geoff Henebry |
| 2001-2003 |
Bruce Milne |
| 2002-2004 |
K. Bruce Jones |
| 2003-2005 |
George Hess |
| 2004-2006 |
Sarah Goslee |
| 2005-2007 |
Don McKenzie |
| 2006-2008 |
Sarah Goslee |
1986 |
Monica G. Turner
Frank Golley |
Athens, GA |
| 1987 |
William E. Odum |
Charlottesville, VA |
| 1988 |
Bruce T. Milne |
Albuquerque, NM |
| 1989 |
Ingrid C. Burke |
Fort Collins, CO |
| 1990 |
John L. Vankat |
Oxford, OH |
| 1991 |
(World Congress) |
Ottawa, ON |
| 1992 |
Robert Lackey
Michael Cairns |
Corvallis, OR |
| 1993 |
Monica G. Turner |
Oak Ridge, TN |
| 1994 |
Guy R. McPherson |
Tucson, AZ |
| 1995 |
Joan I. Nassauer |
Minneapolis, MN |
| 1996 |
Robert G. Coulson
Robert Giordano |
Galveston, TX |
| 1997 |
Dean L. Urban |
Durham, NC |
| 1998 |
Jianguo Liu
William Taylor |
E. Lansing, MI |
| 1999 |
John Wiens
(International Congress) |
Snowmass, CO |
| 2000 |
Fred Sklar
Yegang Wu |
Fort Lauderdale, FL |
| 2001 |
Jianguo (Jingle) Wu
Laura Musacchio |
Tempe, AZ |
| 2002 |
Jim Merchant |
Lincoln, NE |
| 2003 |
Marie-Josée Fortin |
Banff, AB |
| 2004 |
Nita Tallent-Halsell |
Las Vegas, NV |
| 2005 |
Jim Palmer |
Syracuse, NY |
| 2006 |
Janet Franklin |
San Diego, CA |
| 2007 |
Robert Keane |
Tucson, AZ |
| 2008 |
Philip A. Townsend
Monica G. Turner |
Madison, WI |