Former members of the group
| Joachim von Below | Université du Littoral, Calais, France |
| Thomas Hillen | University of Alberta, Edmonton, Canada |
| Christina Kuttler | Technical University of Munich, Munich, Germany |
| Frithjof Lutscher | University of Ottawa, Ottawa, Canada |
| Johannes Müller | Technical University of Munich, Munich, Germany |
| Hartmut Schwetlick | University of Bath, Bath, United Kingdom |
| Birgitt Schönfisch | University of Tübingen, Tübingen, Germany |