| 1977 – Davis, California | 2000 – San Jose, California |
| 1978 – Ithaca, New York | 2001 – Eugene, Oregon |
| 1979 – Santa Clara, California | 2002 – Anaheim, California |
| 1980 – Chicago, Illinois | 2003 – Seattle, Washington |
| 1981 – Santa Rosa, California | 2004 – Sonoma County, California |
| 1982 – Providence, Rhode Island | 2005 – Vancouver, British Columbia |
| 1983 – Seattle, Washington | 2006 – Eugene, Oregon |
| 1984 – San Luis Obispo, California | 2007 – Monterey, California |
| 1985 – Fairfax, Virginia | 2008 – New Orleans, Louisiana |
| 1986 – Davis, California | 2009 – Sacramento, California |
| 1987 – Vancouver, British Columbia | 2010 – Washington, District of Columbia |
| 1988 – Stamford, Connecticut | 2011 – Providence, Rhode Island |
| 1989 – Long Beach, California | 2012 – San Mateo, California |
| 1990 – Portland, Oregon | 2013 – Orlando, Florida |
| 1991 – Cherry Hill, New Jersey | 2014 – Seattle, Washington |
| 1992 – San Francisco, California | 2015 – New Orleans, Louisiana |
| 1993 – Tacoma, Washington | 2016 – Washington, District of Columbia |
| 1994 – Toronto, Ontario | 2017 – Portland, Oregon |
| 1995 – Los Angeles, California | 2018 – Finger Lakes, New York |
| 1996 – Portland, Oregon | 2019 – Washington, District of Columbia |
| 1997 – Orlando, Florida | 2020 – Online Virtual Conference |
| 1998 – Sacramento, California | 2021 – Orlando, Florida |
| 1999 – Sonoma County, California | 2022 – Indian Wells, California |
|
