| Name | Affiliation |
Participation for 2nd meeting |
| Funke, Bernd | Instituto de Astrofísica de Andalucía, Granada, Spain | in person |
| Marsh, Dan | University of Leeds, UK | in person |
| Haberreiter, Margit | PMOD-WRC, Davos, Switzerland | in person |
| Dudok de Wit, Thierry | Univ. of Orléans, France & ISSI, Switzerland | in person |
| Usoskin,Ilya | University of Oulu, Finland | online |
| Sinnhuber, Miriam | KIT, Karlsruhe, Germany | in person |
| Seppälä, Annika | University of Otago, New Zealand | in person |
| Kinnison, Doug | NCAR, Boulder, USA | in person |
| Nesse-Tyssoy, Hilde | University of Bergen, Norway | online |
| Ermolli, Ilaria | Osservatorio Astronomico di Roma, Rome, Italy | online |
| Michaela Hegglin |
Forschungszenstrum Jülich (invited to second meeting) | online |
| David Plummer |
Environment and Climate Change Canada (invited to second meeting) | online |
| Wenjuan Huo |
GEOMAR, Germany (invited to second meeting) | online |