Siegfried Schaible

(Riverside, California, U.S.A.)
(Chung-Li, Taiwan)

Founder of WGGC
Honorary Chair 2012-2014
Chair 1994-1997, 2002-2003, 2006-2008
Deceased 2014

Nicolas Hadjisavvas

(Hermoupolis, Syros, Greece)
(Dhahran, Saudi Arabia)
(Athens, Greece)

Honorary Chair 2018-
Chair 2003-2006, 2008-2009, 2015-2018

Sándor Komlósi

(Pécs, Hungary)

Chair 1997-2000

Juan-Enrique Martinez-Legaz

(Barcelona, Spain)

Chair 2000-2002

Din The Luc

(Avignon, France)
(Hanoi, Vietnam)

Chair 2009-2012

Boris Mordukhovich

(Detroit, Michigan, U.S.A.)

Chair 2012-2015

Alfredo Noel Iusem

(Rio de Janeiro, Brazil)

Chair 2018-2022

Riccardo Cambini

(Pisa, Italy)

Chair 2022-2025


Chairs of the Working Group

S. Schaible (Riverside, California, U.S.A.), Chair (1994-1997)
S. Komlósi (Pécs, Hungary), Chair (1997-2000)
J.E. Martinez-Legaz (Barcelona, Spain), Chair (2000-2002)
S. Schaible (Riverside, California, U.S.A.), Chair (2002-2003)
N. Hadjisavvas (Hermoupolis, Syros, Greece) Chair (2003-2006)
S. Schaible (Riverside, California, U.S.A.), Chair (2006-2008)
N. Hadjisavvas (Hermoupolis, Syros, Greece) Chair (2008-2009)
D.T. Luc (Avignon, France, and Hanoi, Vietnam), Chair (2009-2012)
B. Mordukhovich (Detroit, Michigan, U.S.A.), Chair (2012-2015)
N. Hadjisavvas (Hermoupolis, Syros, Greece and Dhahran, Saudi Arabia), Chair (2015-2018)
A.N. Iusem (Rio de Janeiro, Brazil), Chair (2018-2022)
R. Cambini (Pisa, Italy), Chair (2022-2025)

Honorary Chairs of the Working Group

S. Schaible (Riverside, California, U.S.A.; deceased 2014)
N. Hadjisavvas (Athens, Greece)