| Chairman |
| Pei NI, Department of earth sciences, Nanjing University, Nanjing 210093, China |
| Vice-Chairman |
| Fanus VILJOEN Research Chair of Geometallurgy Department of Geology University of Johannesburg, PO Box 524, Auckland Park 2006 Kingsway & University (APK campus) Johannesburg, South Africa |
| Secretary |
| Ronald BAKKER
University of Leoben Mineralogy and Petrology Group Peter Tunner str. 5 A8700 Leoben, AUSTRIA |
| IMA corresponding member |
| Ekkehart TILLMANNS |