A special callPublic organizations in the 21 st century, are increasingly complex in terms of multiple institutional rules, norms, and practices. This complexity constitutes a difficult challenge for civil servants to find and determine appropriate identities, roles and relationships in their everyday work. For this special issue we made a call for scholars to contribute with new and novel understandings, addressing the roles of civil servants within increasingly complex public sector organizations, focusing on a couple of interrelated research questions: