Team
The Expertise center for Group Dynamics in Society was established in 2025 to connect researchers from the Faculty of Behavioral and Social Sciences and beyond who share an interest in understanding group dynamics in relation to societal phenomena.
Prof. Dr. Namkje Koudenburg, associate professor of social psychology, center director. Research interests: group dynamics, conversations, polarization, social norms, public participation (e.g., through citizen assemblies).
Prof. Dr. Mike Huiskes, associate professor of social psychology, founding member. Research interests: conversation analysis, multimodal communication, health communication
Dr. Lise Jans, associate professor of environmental psychology, founding member. Research interests: Group processes, Social identity formation, Bottom-up initiatives, Public Participation, Sustainability transitions, Diversity, Interdisciplinarity
Dr. Hedy Greijdanus, assistant professor of social psychology, founding member. Research interests: Online behaviour, Social media, Protest, Activism, Humour, Mixed research methods
Laima Baldina, MSc, Phd student in social psychology and philosophy Research interest: How group dynamics driving political polarization take shape on social media.
Dr. Brenda Bartelink, assistant professor, department of Education and Pedagogics and Faculty of Theology and Religious studies. Research interests: the intersections of religion, secularity, gender, and sexuality. She is experienced in arts-based and creative research methodologies.
Dr. Anne Eichholtzer, Postdoctoral researcher in Social and Environmental Psychology Research interests: Group processes, Public Participation, Polarisation, Diversity & Inclusion, Biodiversity, Interdisciplinarity, Applied research
Dr. Jacob Dijkstra, associate professor of sociology Research interests: bottom-up energy initiatives, social networks, formal theory / game theory.
Prof. dr. Andreas Flache, professor of sociology Research interests: Societal polarization, computational agent-based models, empirical social network research, lab and online experiments
Dr. Vincenz Frey, assistant professor of sociology
Dr. Ole Gmelin, assistant professor of theory and history of psychology. Research Interests: discourse analysis, positioning analysis, everyday conversations, identities-in-talk, identities and practices, socio-cultural factors as interactional processes, online-mediated discourses, LGBTQ+ identities and issues.
Lisa Hof, MSc, phd researcher, environmental psychology and spatial planning and environment Research interests: Group processes, Climate action, Community initiatives, Framing (collective action), Social identity formation, Bottom-up leadership
Jorien de Keijzer, MSc, PhD student in social psychology and communication studies Research interests: conversation analysis, polarization, mixed research methods
Bart Kranenborg, MSc, PhD student in social psychology. Research interests: Bottom-up activism, emerging protest, methodological integration
Prof. dr. Tom Postmes, professor of social psychology, Research interests: group processes in all kinds of group settings (teams, crowds, online). Social identity and social interactions.
Prof. dr. Russell Spears, professor of social psychology.
Charlie Walker Clarke, MSc, PhD student in environmental psychology collaborative efforts aimed at facilitating the energy transition.
Vera Weissenbacher, MSc, PhD Candidate Social Psychology Research interests: (online) communication, polarization, social influence, attitude extremity
| Last modified: | 15 July 2025 11.45 a.m. |