​Actual contributor and data compilation since 2017
Jacques Lapaire, CH-2300 La Chaux-de-Fonds, Switzerland
Minerals photography : © Serge Lavarde and Jacques Lapaire

SCNAT Swiss Academy of Sciences

IMA Commission of Museums Chairman
Dr Mike Rumsey, The national History Museum, London

Actual Chairman of CTMS Subcommission since 2006
Dr Nicolas Meisser, MGL-Musée de géologie, UNIL, Lausanne, Switzerland

Former CTMS chairman until 2006
Hans-Anton Stalder (†), NMBE, Bern

Former contributor and data compilation
Alexander R. Hölzel (†), Ober Olm, Germany
Anthony R. Kampf, NHM Los Angeles, USA

Bulgaria

• Chavdar Karov, NMNH-BAS, Sofia

​
Canada

• Robert I. Gait, ROM, Toronto
• Joel D. Grice, CMN, Ottawa
• Richard Herd GSC, Ottawa
• László Horváth, Hudson
  

China

• Jeffrey de Fourestier, MSM, FMinSoc

France

• Lydie Touret, Musée ENSM, Paris
• Pierre Bariand, Musée minéralogique, La Sorbonne, Paris
• Henri-Jean Schubnel, MNHN, Paris
• François Farges, MNHN, Paris

Germany

• H. M. Hamm, Bonn
• Susanne Herting-Agthe, Berlin
• Fritz Hofmann, Freiberg
• Andreas Massanek, Freiberg
• Werner Quellmalz, Dresden
• Klaus Thalheim, Dresden
• Kay U. Schürmann, Marburg

Groenland

• Ole Valdemar Petersen, Copenhagen

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​Italy

• Curzo Cipriani, Museo di Storia Naturale, Firenze
• Cristian Biagioni, University of Pisa
• Alessandro Guastoni, Museo di Mineralogia, University of Padova (UNIPD), Padova
• Marco E. Ciriotti, University of Torino

Luxembourg

• Simon Philippo, Musée national d’Histoire naturelle (MNHN), Luxembourg

Russia

• Igor V. Pekov, MSU, Moscow
• Elena L. Minina, VGL, Moscow
• Evgeny I. Semenov, FMM, Moscow
• Aleksander A. Evseev, FMM, Moscow

Sweden

• Dan Holtstam, Swedish Museum of Natural History, Stockholm

Switzerland

• André Puschnig, Natural History Museum, Basel
• Philippe Roth, ETH, Zürich
• Beda Hofmann, NMBE, Bern
• Nicolas Meisser, MGL-Musée de géologie, UNIL, Lausanne
• Cédric Schnyder, MHN, Geneva
• Stefan Graeser, Natural History Museum, Basel
• W. Oberholzer, ETH, Zürich

United Kingdom

• R.E. Bevins, National Museum of Wales, Department of Geology, Cardiff
• John P. Fuller, Natural History Museum, London
• S. Laurie, Sedgewick Museum. Department of Earth Sciences, University of Cambridge
• A. Livingstone, Royal Museum of Scotland, Edinburgh

USA

• Anthony R. Kampf, LACMNH, Los Angeles