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

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

​
​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