- Dictatorship and law in 20th-century Europe
- Historical and sociological dimensions of labour law
- Associations and the state
- Theory and practice of governance
- History of legal sociology
Studied sociology and law in Darmstadt and Frankfurt/M. Researcher at the Max Planck Institute for European Legal history.
Within the framework of the projects 'Legal Cultures of Modern Eastern Europe. Traditions and Transfers' and 'The Emergence of National Legal Systems in Post-Ottoman Southeastern Europe. Deconstruction, Formation and Transfer of Normativity', he is responsible for legal-sociological aspects and shares the responsibility for project planning. Moreover, he is the co-initiator of the Cluster of Excellence project 'Regulated self-regulation from a legal-historical perspective'.
He is also responsible for European research funding issues (European Representative) and coordinates the activities of the Institute within the framework of the Cluster of Excellence 'The Formation of Normative Orders'. Coordinator of the Research Focus Area 'Multinormativity'. Head of the Initiative for the History of Labour Law.