- 2022 Alexandria, Virginia: Angela Stickle, Chair
- 2019 Destin, Florida: David Littlefield, Chair
- 2017 Canterbury, Kent, England: Mark Price/Kathryn Harriss, Co-chairs
- 2015 Boulder, Colorado: William Schonberg/Timothy Maclay, Co-chairs
- 2012 Baltimore, Maryland: Todd Bjerke/David Lambert/Brett Sorensen/Lalit Chhabildas/K.T. Ramesh, Co-chairs
- 2010 Freiburg, Germany: Frank Schafer/Stefan Hiermaier, Co-chairs
- 2007 Williamsburg, Virginia: Leonard Wilson/David Dickinson, Co-chairs
- 2005 Lake Tahoe, Neveda: Dennis Orphal/Lalit Chhabildas, Co-chairs
- 2003 Noordwijk, The Netherlands: Michel Lambert/Eberhard Schneider, Co-Chairs
- 2000 Galveston, Texas: Harry Fair/Eric Christiansen, Co-chairs
- 1998 Huntsville, Alabama: William Schonberg, Chair
- 1996 Freiburg, Germany: Alois Stilp/Gustav Schroder, Co-Chairs
- 1994 Santa Fe, New Mexico: Lalit Chhabildas/Billy Hogan/Jim Asay, Co-chairs
- 1992 Austin, Texas: Harry Fair/Tom Kiehne/Charles Anderson, Co-chairs
- 1989 San Antonio, Texas: Charles Anderson, Chair
- 1986 San Antonio, Texas: Charles Anderson, Chair
