Individuals:
AUSTRIA
Tania Spalt EGB Membership coordinator and Founding member contact Tania
Ernst Rainer Pozar
Florian Rottensteiner
Agnes Szauter
BELGIUM
Ghislain Dejardin
Ben van Even
BRAZIL
Celso Freire
CANADA
Thierry André
Jamie Gale
Michael Greenfield
William 'Grit' Laskin
Dan MacPherson
DENMARK
Ole Willumsen
FINLAND
Emma Elftorp Founding member
FRANCE
Jacques Carbonneaux Founding member
Roberto Cardi
Jonathan Eastmond
Pierre Journel, The Guitar Channel
Théo Pasquier
GERMANY
Peter Bachmaier
Ida Bessa
Matt Blades
Michael Dubach
Michael Haas
Mike Hembury
Andreas Heitmann
Christina Hoss
Kora Jünger Founding member
Jan Klingenberg
Pascal Koenig
Helmuth Lemme
Martin Meckbach
Heinz Rebellius
Dieter Roesberg
Hermann Schmid
Lukas Schmidt
Uwe Schmidt
Max Spohn
INDIA
Karan Singh
INDONESIA
Ivan Mulia
ITALY
Maurizio Cuzzolin
Marco D'Andrea
Marco Ferrari
Alessandro Marchetti
JAPAN
Kaz Goto
Henna Tahvanainen
LUXEMBOURG
Christopher Garland
NETHERLANDS
Charles Janssen
Daan Marinus
POLAND
Leszek Warzecha
PORTUGAL
Afonso Câncio
Paulo Goncalves
RUSSIAN FEDERATION
Simon Padalka
SLOVENIA
Djordje Grubac
SWITZERLAND
Massimo D'Angelo
TURKEY
Cem Öcek
Ali Sezen
UNITED KINGDOM
Susie Chillcott
Linnhe Cringean
Len Dawes
Jens Hucke
Marc Ransley
Graham Skimming
Haydn Williams
Joss Winn
USA
Mike Baranik
Michael Bashkin
Leonardo Buendia
Evan Gluck
Bob Gore
Isaac Jang
Chris Jenkins
TV Jones
Jason Kostal
Jason Lollar
Stephanie Lollar
Martin Maudal
Patrick Morrissey
Matt Proctor
Eric Weigeshoff
Organisations:
BELGIUM
CMB Centrum voor Muziekinstrumentenbouw vzw (CMB) and the Leonardo Guitar Research
FINLAND
The Guild of Finnish Luthiers Suomen Soitinrakentajien Kilta ry
FRANCE
APLG France Association Professionnelle des Luthiers artisans en Guitare et autres cordes pincées
ITEMM Institut Technologique Européen des Métiers de la Musique
SPAIN
LuCE - Luthieres Contemporáneos de España
UNITED KINGDOM
Tonetech Ltd Tonetech Ltd