ISC GeoUnions Steering Committee
| Chair | Vice Chair |
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| Micheal Meadows (IGU)University of Cape Town SOUTH AFRICA Email: michael.meadows@uct.ac.za | Giuliano MANARA (URSI) Department of Information Engineering, University of Pisa ITALY E-mail: giuliano.manara@unipi.it |
International Astronomical Union (IAU), 2021-2024
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| President Debra M. ELMEGREEN Vassar College Physics-Astronomy Dept 124 Raymond Avenue VC Box 278 Poughkeepsie NY 12604-0278 New York (NY), USA Email: elmegreen@vassar.edu | President-Elect Willy BENZ Universität Bern Physics Inst Sidlerstrasse 5 3012 Bern SWITZERLAND E-mail: willy.benz@unibe.ch |
International Cartographic Association (ICA), 2023-2027
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| President Georg GARTNER Research Unit Cartography Vienna University of Technology Wiedner Hauptstrasse 8-10/E120-6 1040 Vienna AUSTRIA Email: president@icaci.org | Secretary-General and Treasurer Thomas SCHULZ Federal Department of Home Affairs FDHA Swiss Federal Statistical Office FSO Espace de l Europe 10 CH-2010 Neuchatel Switzerland Email: sg@icaci.org | Past President Tim TRAINOR Consultant, LLC 10382 Stansfield Road Laurel, Maryland 20723 USA Email: timtrainor4@gmail.com |
International Geographical Union (IGU), 2020-2024
|  |  |
| President Michael MEADOWS Emeritus Professor Environmental & Geographical Science Building, South Lane, Upper Campus, University of Cape Town, Private Bag X3, Rondebosch Email 1: michael.meadows@uct.ac.za | Secretary-General @ Treasurer Barbaros GÖNENÇGIL Department of Geography University of Istanbul İ.Ü.Edebiyat Fakültesi Coğrafya Bölümü Ordu Cd. No:196 Laleli – İstanbul TURKEY Email 1: barbaros@istanbul.edu.tr | Past President Yukio HIMIYAMA Emeritus Professor, Hokkaido University of Education, and Council Member, Science Council of Japan Email 1: himiyamay@kkd.biglobe.ne.jp Email 2: yukiohimiyama@gmail.com |
International Union for Quaternary Research (INQUA), 2023-2027
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| President Laura Sadori Universita degli Studi di Roma La Sapienza: Roma, Lazio ITALY Email: laura.sadori@uniroma1.it | Secretary General Eniko MAGYARI Eötvös University Pázmány Péter Stny. 1/C H-1117 Budapest HUNGARY Email: emagyari@caesar.elte.hu | Vice President Thijs Van KOLFSCHOTEN Leiden University Rapenburg 70 2311 EZ Leiden THE NETHERLANDS Email: t.van.kolfschoten@arch.leidenuniv.nl |
International Society for Photogrammetry and Remote Sensing (ISPRS), 2022-2026
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| President Lena HALOUNOVÁ Czech Technical University Faculty of Civil Engineering RS Laboratory Thákurova 7 166 29 Prague 6 CZECH REPUBLIC Email: isprs-pr@isprs.org | Secreatary General Jie JANG School of Geomatics and Urban Spatial Informatics Beijing University of Civil Engineering and Architecture No.1 Zhanlanguan Road, Xicheng District Nienburger Str. 1 Beijing, 100044 CHINA Email: isprs-sg@isprs.org | Honorary member Orhan Altan Istanbul Technical University TURKEY Email: oaltan@itu.edu.tr |
International Union of Geodesy and Geophysics (IUGG), 2023-2027
 |  |  |
| President Chris RIZOS School of Civil & Environmental Engineering University of New South Wales Sydney NSW 2052, AUSTRALIA Email: c.rizos@unsw.edu.au | Secretary General Alexander Rudloff Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences Telegrafenberg 14473 Potsdam GERMANY Email: sg@iugg.org | Past President Kathryn WHALER School of GeoSciences The Grant Institute The University of Edinburgh West Mains Road, Edinburgh, EH9 3JW UNITED KINGDOM Email: president@iugg.orgail: sideris@ucalgary.ca |
International Union of Geological Sciences (IUGS), 2020-2024
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| President John LUDDEN The Lyell Centre, Heriot-Watt University, Edinburgh Edinburgh, EH14 4AP UNITED KINGDOM Email 1: J.ludden@hw.ac.uk | Secretary General Stanley C.FINNEY Department of Geological Sciences California State University Long Beach, CA 90840 USA Email: scfinney@csulb.edu | Treasurer Hiroshi KITAZATO Natsushima-cho 2-15 Yokosuka 237-0061 JAPAN Email: kitazatoh@jamstec.go.jp |
International Union of Soil Sciences (IUSS), 2023-2024
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| President Edoardo A.C. COSTANTINI Via Mameli 21, 50019 Sesto Fiorentino (FI), ITALY Email: eac.costantini@gmail.com | Past President Laura Bertha REYES SÁNCHEZ National Autonomous University of Mexico, Faculty of Higher Studies of Cuautitlán Miramar 54, Cumbria. C. P. 54749. Cuautitlán Izcalli México Email: lbrs@unam.mx | President-Elect Victor Okechukwu CHUDE NIGERIA Email: vchude@yahoo.co.uk Via Mameli 21, 50019 Sesto Fiorentino (FI), Italy Email: eac.costantini@gmail.com |
International Union of Radio Science (URSI), 2021-2025
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| President Ari SIHVOLA Department of Electronics and Nanoengineering Aalto University Helsinky FINLAND | Secretary General Peter VAN DAELE IMEC – Ghent University IDLab – Dept. of Information Technology Technologiepark-Zwijnaarde 15 B-9052 Gent BELGIUM Email 1: Pet.VanDaele@UGent.be Email 2: secretary-general@ursi.org | Vise President Giuliano MANARA Department of Information Engineering, University of Pisa Pisa ITALY E-mail: giuliano.manara@unipi.it |
International Union of Speleogy (UIS), 2022-2025
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| President Nadja ZUPAN HAJNA Postgraduate School ZRC SAZU Novi trg 2 SI – 1000 Ljubljana SLOVENIA Email: zupan@zrc-sazu.si | Secretary General Johannes MATTES Institute of Culture Studies and Theatre History of the Academy of Sciences Bäckerstraße 13, 1010 Vienna AUSTRIA Email: Johannes.Mattes@oeaw.ac.at |