1996 Hiroshi Naruse
1997 Harvey Levy
1998 Jean Dussault
1999 W. Harry Hannon
2000 Brad L. Therrell
2001 Jean Pierre Farriaux
2002 Rodney J. Pollitt
2003 Bridget Wilcken
2004 Jan Østrup
2005 Benjamin José Schmidt
2006 David S. Millington & Mohamed S. Rashed
2007 Jean Louis Dhondt
2008 Dianne R. Webster
2009 Bent Norgaard Pedersen
2010 J.Gerard Loeber
2011 Toni Torresani
2012 Masaru Fukushi
2013 Piero Rinaldo
2014 Ed Naylor
2015 Gustavo Borrajo
2016 Veronica Wiley
2017 Carmen Padilla
2018 Barry Wolf
2019 R.Rodney Howell
2020 Georg Hoffmann
2007 Zoltan Lukacs
2008 Issam Khneisser
2009 Victor de Jesus
2011 Susan Tanksley
2012 David Kasper
2013 Scott Shone
2014 Giancarlo la Marca
2015 Jennifer Taylor
2016 Gwendolyn Gramer
2017 Marleen Jansen
2018 Natasha Heather
2019 Stephan Borte
2020 Francyne Kubaski
2019 Jelili Ojodu
1988 Robert Guthrie
1988 Horst Bickel
2002 Hiroshi Naruse
2009 W. Harry Hannon
2013 Bridget Wilcken
2016 J. Gerard Loeber
2016 Brad Therrell
2016 Toni Torresani