Chair of GEM
Dr. Ben Mapani
Geology Department
University of Namibia
H Block
Mandume Ndemufayo Avenue,
Windhoek, Namibia.
Tel: +264-61 2063745
Fax: +264-61 2063791
Vice Chair of GEM and Chair of the Gold and Mercury Working Group
Dr. Kevin Telmer
Executive Director
Artisanal Gold Councl
2675 Seaview Road
Victoria BC
V8N 1K7
Tel: +1 250-590-9433 

Vice Chair of GEM and Chair of the Land Subsidence and Groundwater Working Group
Prof. Dr. HE Qingcheng
Chief Hydrogeologist
China Institute for Geo-Environmental Monitoring
No.20 Dahuisi Road, Haidan District
Beijing 100081, China
Tel: +86 10 62171221
Secretary General of GEM and Co-convener of the Dust Working Group
Dr. Brian R. Marker OBE
40 Kingsdown Avenue
W13 9PT
United Knigdom
Tel: +44 20 8567 5946
Newsletter Editor
Dr. Jonas Satkunas
Lietuvos Geologijos Tarnyba / Lithuanian Geological Survey
Direktoriaus pavaduotojas / Deputy director
S. Konarskio 35, Vilnius, Lithuania
Tel: +370-5-2332-482
Fax: +370-5-2336-156
Mob. tel. 370 68780827 
Dr. Kaj Lax
Head of Department
Geological Survey of Sweden
Dept. of Mineral Resources
P.O. Box 670, SE-751 28 Uppsala, SWEDEN

Tel: +46 (0)18 17 93 94 
Mob.: +46 (0)70 22 46 385
Fax: +46 (0)18 17 92 10 
Officer for Western Africa
Dr. Sulemana Al-Hassan
Department of Mining Engineering, 
University of Mines and Technology (UMAT)
Box 237, 30 Govt. Hill, Tarkwa, Ghana
+233 (0) 362 20324 /20280 

Officer for Southern Asia

Prof Mihir Deb
Visiting Professor and Acting Dean
School of Ecology and Environmental Studies
Nalanda University
Ragir, Nalanda
Bihar 803116

Tel: +91 70336 98501


Officer for South-East Asia

Mr Tinnakorn Tatong

Geologist, Environmental Geology Division

Environmental Geology and Geohazard Bureau

Department of Mineral Resources (DMR)

75/10 Rama VI Rd. Ratchatawee, Bangkok 10400


 Tel:  +66 2 621 9705 Fax: +66 2 621 9700



Officer for the USA and Caribbean and Co-convener of the Dust Working Group
Dr. Jose A. CENTENO 
Chief, Joint Pathology Center Division
Depleted Uranium and Embedded Fragment Laboratory
Malcom Grow Medical Centre
1057 West Perimeter Road
Bldg. 1050 Roome GB-33 
Joint Base Andrews Naval Air Facility
Tel: +240 855 6882

Officer for South America

Dr Adriana E. Niz

School of Technology and Applied Sciences
National University of Catamarca
Maximio Victoria 55
4700 San Fernando del Valle de Catamarca

Officer for Southern Europe
Prof. Eduardo da Silva 
Departamento de Geociências.
Universidade de Aveiro, Campus of Santiago, 
3810-193 Aveiro, PORTUGAL
Tel: 234341175
Fax: 234370605 

Officer for Europe-Scandinavia and Chair of the Climate Change Adaptation Working Group
Dr. Philipp Schmidt-Thome
Senior Scientist
Geological Survey of Finland (GTK)
P.O. Box 96, 02151 Espoo, FINLAND
Tel: +358 20 550 2163
Fax: +358 20 550 12

Officer for Eastern Europe-Eurasia and Chair of the Drinking Water Working Group
Prof. Igor S. Zektser
117971 Moscow, RUSSIA - 119333 Moscow, RUSSIA
Tel: +7-095-135-4006 - +7-499-135-4006
Fax: +7-095-135-5415 - +7-499-135-5415  

Officer for Western Europe
EurGeol Mr Simon Price
Urban Geoscience Team Leader
British Geological Survey
Environmental Science Centre
Nicker Hill
Nottingham NG12 5GG
United Kingdom
Tel: +44 (0) 115 9363326

Chair of the Japan Branch and Chair of the Man-made Strata and Geopollution Working Group
Prof. Hisashi NIREI
Centre for Water Environment Studies
Ibaraki University, Ohu, Itaka City, 311-2402 JAPAN

Officer of Japan Branch
Mr Kunio FURUNO 
Environmental Geologist 
Research Institute of Environmental Geology 
3-5-1, Inage-kaigan, Mihama-ku, Chiba-City, Chiba Prefecture, 261-0005 JAPAN 
Fax: +81-43-243-0263 

Past Chair
Dr. Joy Jacqueline Pereira
Deputy Director, Southeast Asia Disaster Prevention Research Institute (SEADPRI-UKM)
Chair of Malaysian Network for Research on Climate, Environment and Development (MyCLIMATE)
Institute For Environment and Development (LESTARI)
Universiti Kebangsaan Malaysia
43600 Bangi, Selangor D.E., Malaysia
Tel: +603-8921-4153
Fax: +603-8925-5104 

Past Vice Chair
Dr. Imasiku Nyambe
Research Coordinator, School of Mines,
University of Zambia, PO Box 32379, LUSAKA, ZAMBIA
Tel: +260-1-294-086
Fax: +260-1-294-086/226641 

Past Secretary-General
Dr. Jonas Satkunas
Lietuvos geologijos tarnyba / Lithuanian Geological Survey
Direktoriaus pavaduotojas / Deputy director
S. Konarskio 35, Vilnius, Lithuania
Tel: +370-5-2332-482
Fax: +370-5-2336-156
Mob. tel. 370 68780827 
Past Treasurer
Dr. Kevin Telmer
Associate Professor
School of Earth and Ocean Sciences 
Ocean, Earth, and Atmospheric Sciences Building A405 
University of Victoria 
PO Box 3065 STN CSC 
Victoria, BC Canada V8W 3V6
Tel: +1 250-472-4182
Main Office +1 250 721-6120
Fax: +1 250-721-6200 

Past Information Coordinator
Adjunct Prof. Colin Simpson
73 Beasley Street, Torrens, 
Tel: +61-2-62863548 

Past Officer for Africa
Dr. Theo Davies 
Department of Geology and Mining, 
Faculty of Natural Sciences, 
University of Jos, P.M.B. 2084, Jos, NIGERIA 
Past Officer for North America
Roy J. Shlemon & A
ssociates, Inc. 
P.O. Box 3066, Newport Beach, California 92659-0620, USA 
Tel: 949-675-2696 
Fax: 949-675-5088  
Past Officer for South America
Prof. Bernardino Ribeiro Figueiredo
University of Campinas - UNICAMP
PO Box 6152, CEP 13083-870
Campinas, S.P., BRAZIL
Tel: 55-19-35214572
Fax: 55-19–3289 1097

Past Officer for North America and Chair of the Communicating Geoscience Working Group
Professor Norm Catto
Department of Geography
Memorial University of Newfoundland
St Johns’ NL
A1B 3X9
Tel: 1-709-864-8413
Fax: 1-709-864-3119


The IUGS-GEM maintains contact with more than 70 corresponding members. For inquiries regarding corresponding membership status please contact the Secretary General at