Individuals:

 

AUSTRIA

Tania Spalt EGB Membership coordinator and Founding member contact Tania
Adam Wehsely-Swiczinsky
Ernst Rainer Pozar

BELGIUM

Pablo Sánchez Otero

CANADA

William 'Grit' Laskin
Dan MacPherson
David Wren

DENMARK

Ole Willumsen

FINLAND

Emma Elftorp Founding member

FRANCE

Jacques Carbonneaux Founding member 
Jonathan Eastmond
Pierre Journel, The Guitar Channel
Roberto Cardi

GERMANY

Ida Bessa
Dan Mihai Curteanu
Michael Dubach
Mike Hembury
Kora Jünger Founding member 
Pascal Koenig
Bernhard Lindgens
Heinz Rebellius
Stefan Schleicher
Uwe Schmidt
Dieter Roesberg
Jan Klingenberg
Helmuth Lemme
Max Spohn
Michael Haas
Bastian Ortner

INDIA

Karan Singh

ITALY

Marco D'Andrea
Vincenzo Pascariello

NETHERLANDS

Daan Marinus

POLAND

Daniel Siwecki

SINGAPORE

Zen Yong Ho (Hozen)

SLOVENIA

Djordje Grubac

SWITZERLAND

Massimo D'Angelo
Nunzio Verdinero

TURKEY

Cem Öcek

UNITED KINGDOM

Len Dawes
Marc Ransley
Shaun Miller
Joss Winn

USA

Bob Gore
Jason Kostal
Isaac Jang
TV Jones
Leonardo Buendia

 

Organisations:

 

BELGIUM

CMB Centrum voor Muziekinstrumentenbouw vzw (CMB) and the Leonardo Guitar Research

DENMARK

Vintage and Rare Vintage and Rare

FINLAND

The Guild of Finnish Luthiers Suomen Soitinrakentajien Kilta ry

FRANCE

APLG France Association Professionnelle des Luthiers artisans en Guitare et autres cordes pincées

GERMANY

Kammler Tunator Cabinets Kammler Tunator Cabinets

SPAIN

LuCE - Luthieres Contemporáneos de España

UNITED KINGDOM

Tonetech Ltd Tonetech Ltd
George Lowden Guitars George Lowden Guitars

UNITED STATES

A.S.I.A. Association of Stringed Instrument Artisans