Collaborations:

• Collaborative Research Center SFB-1258 "Neutrinos | Dark Matter | Messengers"
• SciDAC Supernova Science Center
• Excellence Cluster UNIVERSE (until 2019)
• Excellence Cluster ORIGINS

Editorial Work:

• Journal of Cosmology and Astroparticle Physics (JCAP)
• Sterne und Weltraum (SuW)