Algerian Clay Group
Mr A. Bengueddache (President)
Mr Mohamed Khodja (Secretary) – mohamed.khodja[at]ep.sonatrach.dz
Chinese Association for the Study of Clays
Prof. Jianxi Zhu (President) – zhujx[at]gig.ac.cn
Prof. Runliang Zhu (Secretary) – zhurl[at]gig.ac.cn
Clay Minerals Group (British)
Mineralogical Society of the UK and Ireland
Ms. Helen Pendlowski (Chair) – helen.pendlowski[at]hutton.ac.uk
Dr Alastair Marsh (Secretary) – alastair.marsh[at]epfl.ch
Clay Minerals Society (North American)
Youjun Deng (President) – yjd[at]tamu.edu
Katerina M. Dontsova (Secretary) – dontsova[at]email.arizona.edu
Clay Minerals Society of India
Dr. Nayan Ahmed (President) – cmsi.india.1981[at]gmail.com
Dr. Prasenjit Ray (secretary) – cmsi.india.1981[at]gmail.com
Clay Science Society of Japan
Prof. Toshihiro Kogure (President) – clay-post[at]bunken.co.jp
Dr. Tsutomu Sato (Secretary) – tomsato[at]eng.hokudai.ac.jp
Croatian Clay Group
Dr. Jasmina Martinčević Lazar (President) – jmartincevic[at]hgi-cgs.hr
Dr. Zvonka Gverić (Secretary) – zgveric[at]geol.pmf.hr
Czech National Clay Group
Dr. Miroslav Pospíšil (Chairman) – pospisil[at]karlov.mff.cuni.cz
Dr. Martin Štastný (Vice Chairman) – stastny[at]irsm.cas.cz
European Clay Groups Association
Dr. Prof. Maguy Jaber (President) – president.ecga[at]aipea.org
Dr. Prof. Peter Uhlik (Secretary) – secretary.ecga[at]aipea.org
French Clay Group
Dr. Prof. Vanessa Prevot (President) – vanessa.prevot[at]uca.fr
Dr. Erwan Paineau (Secretary) – erwan-nicolas.paineau[at]universite-paris-saclay.fr
German-Austrian-Swiss Clay Group (DTTG)
Dr. Michael Plötze (President) – michael.ploetze[at]igt.baug.ethz.ch
Prof. Dr. H. Albert Gilg (Secretary) – agilg[at]tum.de
Hungarian Clay Group
Dr. Erzsébet Tóth (President) – celadonite[at]gmail.com
Contact: Dr. Ferenc Kristály (Secretary)
Korean Clay Science Society
Prof. Jin-Ho Choy (President) – jhchoy[at]ewha.ac.kr
Contact: Prof. Jinwook Kim (Secretary) – jinwook[at]yonsei.ac.kr
Kurdistan Clay Group, Iraq
Dr. Bakhtyar Kamal Aziz (President) – bakhtyar.kamal[at]charmouniversity.org
Dr. Dler Mohammad Salh (Secretary) – dler.salh[at]univsul.edu.iq
Israel Society of Clay Research
Ass. Prof. Adi Radian (Chair) – aradian[at]technion.ac.il
Contact: Adi Radian
Italian Clay Association
Dr. Vito Summa (President) – presidenza[at]aipea.it
Dr. Saverio Fiore (Liaison Officer) – saverio[at]aipea.it
Polish Clay Group
Czeslaw August (President) – czeslaw.august[at]ing.uni.wroc.pl
Portuguese Association of Clays
Prof. Fernando Rocha (President) – frocha[at]geo.ua.pt
Dr. Cristina Sequeira (Secretary) – mcsequeira[at]geo.ua.pt
Russian Clay Group
Prof. Victor Drits (Honorary President)
Dr. Victoria Krupskaya (President) krupskaya[at]ruclay.com
Petr Belousiv (Secretary) – pitbl[at]mail.ru
Slovak Clay Group
Dr. Peter Uhlík (President) – peter.uhlik[at]uniba.sk
Dr. Helena Pálková (Vice President) – helena.palkova[at]savba.sk
Spanish Clay Society
Prof. Jaime Cuevas (President) – presidente[at]sea-arcillas.es
Dr. Ana Isabel Ruiz García (Secretary) – secretaria[at]sea-arcillas.es
Clay Science Society – Turkey
Prof. Dr. Asuman Turkmenoglu (President) – asumant[at]metu.edu.tr
Prof. Dr. Haluk Akgun (Secretary-General) – hakgun[at]metu.edu.tr
Tunisian Clay Group (TGC)
Fakher Jamoussi (President) – fakher.jamoussi[at]certe.rnrt.tn
Mondher Hachani (Secretary)
Ukrainian Clay Group
Contact: D.Sc. Andrii Panko (AIPEA Representative)- phd.wiz[at]gmail.com
Last update: 30 November 2025