Participation in the Cluster of Excellence
- Member of the General Assembly and Principal Investigator
- Field of research B Religious diversity and legal-political unity
- Head of project B3-8 Specutation, Contract and Religion
- Head of project A2-20 Legal and Judicial Pluralism as an Answer to Normative Crises (until 2018)
- Head of project A2-23 Religiously Radicated Economic Orders under the Basic Constitutional Law – neo-Thomistic Natural law in German Post-War Constitutions (until 2018)
- Head of project A2-28 Critical Edition of the German Constitutions After 1945 (until 2018)
- Head of project C4 The Ecclesiastical Jurisdiction of Religious Minorities - Factor of Integration or Segregation (until 2012)