QOS is part of the following consortia:

DFG research training group (RTG) DynCAM
https://rtg-dyncam.de/

Georg H. Endress Postdoc Cluster  
https://www.quantum.unibas.ch/g-h-e-postdoc-cluster/

Physics didactics at Uni Freiburg
https://physikdidaktik.uni-freiburg.de/

Marie Skłodowska-Curie Actions Training Network
Quantum information science and Ultrafast nonlinear coherent control at the ATTOsecond timescale (QU-ATTO)
https://quatto.eu/