| Atmosphere Working Group | Astrid Lampert, TU Braunschweig (until 2026) Sabrina Schnitt, Universität Köln (from 2027) Dörthe Handorf, Alfred Wegener Institute |
| Cryosphere Working Group | Anne Morgenstern, Alfred Wegener Institute Gunnar Spreen, University of Bremen (until 2026) |
| Marine Working Group | Benjamin Rabe, Alfred Wegener Institute (until 2026) Denise Kulhanek, University of Kiel |
| Social & Human Sciences Working Group | Nina Döring, Research Institute for Sustainability – Helmholtz Centre Potsdam Holger Straßheim, University of Bielefeld |
| Terrestrial Working Group | Nikola Koglin, Federal Institute for Geosciences and Natural Resources (until 2026) Barbara Ratschbacher, Federal Institute for Geosciences and Natural Resources (from 2027) Ulrike Herzschuh, Alfred Wegener Institute (until 2026) Ramona Heim, Universität Münster (from 2027) |
| IASC Council | Günther Heinemann, University of Trier (until 2026) Benjamin Rabe, Alfred Wegener Institute (from 2027) |
| ADC (Arctic Data Committee) | Janine Felden, Alfred Wegener Institute |
| IASC Network on Arctic Glaciology | Olaf Eisen, Alfred Wegener Institute |
Research Priority Teams (RPTs) ICARP IV
| RPT 2: Observing, Reconstructing, and Predicting Future Climate Dynamics and Ecosystem Responses | Astrid Lampert, TU Braunschweig |
| RPT 6: Preparing present and future generations through Education, Outreach, Communication, Capacity Building, and Networking | Inga Beck, LMU Munich |
| RPT 7: Technology, Infrastructure, Logistics, and Services | Verena Mohaupt, Alfred Wegener Institute |