- Sustainable Society. Towards a Research Agenda for the University of Groningen
Keynote presentation at the Kick-off Symposium of the strategic research area Sustainable Society (June 4, 2012)
(Positioning Paper) - The End of the Society of Organizations? Theory and Evidence on Organizational and Social Change
Invited lecture at the Bielefelder Kolloquium zur Organisationssoziologie (April 30, 2012)
(Video Podcast) - Turnover, HRM and Motivation in Humanitarian Organizations: A Review
Invited lecture at the World Conference of Humanitarian Studies (Groningen, February 2009)