Core members
| S. Barnes | AIP (Germany) |
| J. Bouvier | IPAG (France) |
| A.S. Brun | CEA/DAp (France) |
| C. Charbonnel | University of Geneva (Swizerland) |
| S. Cranmer | University of Colorado (USA) |
| S. P. Matt | University of Exeter (UK) |
| M. Pinsonneault | Ohio State University (USA) |
| S. Saar | SAO Cambridge (USA) |
| A. Strugarek | CEA/DAp (France) |
| T. Suzuki | University of Tokyo (Japan) |
| A. Vidotto | Trinity College Dublin (UK) |
| B. Wood | NRL (USA) |
Invited members
| F. Gallet | IPAG (France) |
| T. Metcalfe | Space Science Institute, Boulder (USA) |
| V. Réville | University of California at Los Angeles (USA) |
| V. See | University of Exeter (UK) |
| M. Shoda | University of Tokyo (Japan) |