Annual Conventions

Meet. Share. Experience.

Yearly conventions are a highlight for many ATOS members, drawing attendees from all over the world. Traditionally scheduled over the July 4th holiday, chapters across the country host the regional event that features concerts, workshops, and local sightseeing.

Future Conventions

Past Conventions

  • 2023 Chicago, Illinois
  • 2022 San Diego, California
  • 2021 "Virtual Convention"
  • 2020 No convention
  • 2019 Rochester, New York
  • 2018 Pasadena, California
  • 2017 Tampa, Florida
  • 2016 Western Reserve / Cleveland, Ohio
  • 2015 Philadelphia/Deleware
  • 2014 Indianapolis, Indiana
  • 2013 Atlanta, Georgia
  • 2012 Los Angeles, California
  • 2011 Providence, Rhode Island
  • 2010 Seattle, Washington
  • 2009 Western Reserve / Cleveland, Ohio
  • 2008 Indianapolis, Indiana
  • 2007 New York City
  • 2006 Tampa, Florida
  • 2005 Pasadena, California
  • 2004 Milwaukee, Wisconsin
  • 2003 Oakland/San Francisco Bay, California
  • 2002 San Diego, California
  • 2001 Indianapolis, Indiana
  • 2000 Milwaukee, Wisconsin
  • 1999 London, England
  • 1998 San Francisco, California
  • 1997 Indianapolis, Indiana
  • 1996 Pasadena, Calfornia
  • 1995 Detroit, Michigan
  • 1994 Fresno, California
  • 1993 Chicago, Illinois
  • 1992 Philadelphia, Pennsylvania
  • 1991 San Francisco, California
  • 1990 Indianapolis, Indiana
  • 1989 Detroit, Michigan
  • 1988 Portland, Oregon
  • 1987 Los Angeles, California
  • 1986 Richmond, Virginia
  • 1985 Chicago, Illinois
  • 1984 Indianapolis, Indiana
  • 1983 San Francisco, California
  • 1982 Detroit, Michigan
  • 1981 Seattle, Washington
  • 1980 London, England
  • 1979 Los Angeles, California
  • 1978 Atlanta, Georgia
  • 1977 Chicago, Illinois
  • 1976 Philadelphia, Pennsylvania
  • 1975 San Francisco, California
  • 1974 Detroit, Michigan
  • 1973 Portland, Oregon
  • 1972 Washington, D.C.
  • 1971 Seattle, Washington
  • 1970 New York, New York
  • 1969 Chicago, Illinois
  • 1968 Los Angeles, California
  • 1967 Detroit, Michigan
  • 1966 Portland, Oregon
  • 1965 Chicago, Illinois
  • 1964 Buffalo, New York
  • 1963 Bismark, North Dakota
  • 1962 Los Angeles, California
  • 1961 Richmond, Virginia
  • 1960 Salt Lake City, Utah
  • -
  • 1958 Fairfield, California
  • -