- Member of the CLARIN FAG-8 – Content analytical methods in the social sciences
- Member of the working group Political Science in the BMBF project abida – assessing big data
- Speaker of the DVPW section on policy analysis
- Member of the DVPW working group on Social Movements
- Member of the institute for protest and social movement studies
- International Network for Social Network Analysis
- American Sociological Association
- American Political Science Association
Prof. Dr. Sebastian Haunss
