HNA 2005
Port Townsend, Washington

Michael Dylan Welch, Christopher Herold, Carol O'Dell, and Doris Thurston

HNA 2003
New York, New York

Pamela Miller Ness, Stanford M. Forrester, John Stevenson, Brenda Gannam, and Tom Painting

HNA 2001
Boston, Massachusetts

Raffael de Gruttola, Judson Evans, and Karen Klein

HNA 1999
Evanston, Illinois

Charles Trumbull, Sara Brant, Joseph Kirschner, and Lidia Rozmus

HNA 1997
Portland, Oregon

Ce Rosenow, Cherie Hunter Day, and Margaret Chula

HNA 1995
Toronto, Canada

Marshall Hryciuk and Keith Southward

HNA 1993
Livermore, California

Garry Gay, Jerry Ball, Marriana Monaco, Ebba Story, David Wright, and Michael Dylan Welch

HNA 1991
Livermore, California

Garry Gay, Jerry Ball, Christopher Herold, Michael Dylan Welch, Paul O. Williams, and David Wright