+ Natalie Rogers (October 2015)

+ John Vasconcellosn (May 2014)

+ Dieter Tscheulin (Dezember 2013)

+ Reinhard Tausch (August 2013)

+ David Rennie (April 2013)

+ Robert Hutterer (März 2013)

+ Inghard Langer (Januar 2013)

+ Wolfgang M. Pfeiffer (Oktober 2011)

+ Jules Seeman (December 2010)
+ Nat Raskin (April 2010)

+ Ute Binder (February 2010)

+ Garry Prouty (May 2009)

+ Ferdinand van der Veen  (January 2009)

+ Ioulios Iossifides  (July 2008)

+ Barbara Temaner Brodley (December 2007)

+ Donald J. Kiesler (May 2007)

+ Cecil H. [Pat] Patterson (May 2006)

+ John K. Wood (August 2004)

+ Tony Merry (August 2004)

+ Laura Rice (July 2004)
+ Jan Rombauts (July 2004)

+ Doug Land (July 2003)
+ Tom Gordon (August 2002)

+ Ursula Plog (Juli 2002)

+  John Shlien (March 2002)

+  Thomas Ripke (Dezember 2001)

+  Nel Kandell (November 2001)
+  Ruth Sanford (November 2001)
+  Mary Kilborn & Fred Zimring (Juni / August 2000)

+  Stan van Asbroeck (April 2000)

+  Chuck Devonshire (August 1999)
+  Carl R. Rogers (February 1987)

+ Anne-Marie Tausch (1983)