- Timothée Bernard (external collaborator, Paris)
- Long Chen (PhD student, HHU)
- Benoît Crabbé (external collaborator, Paris)
- Elisabetta Jezek (external collaborator, Pavia)
- Laura Kallmeyer (PI, HHU)
- Rainer Osswald (PI, HHU)
- Peter Sutton (external collaborator, Potsdam)
- Christian Wurm (HHU)
- Deniz Ekin Yavaş (PhD student, HHU)
Former members and collaborators:
- William Babonnaud
- Stergios Chatzikyriakidis (external collaborator, Crete)
- Philippe de Groote (external collaborator, Nancy)
- Simon Petitjean
- Christian Retoré (external collaborator, Montpellier)
- Marta Ricchiardi (external collaborator, Pavia)