This chapter chronicles the organizing efforts of a group of Swedish medical professionals who volunteered on an ad hoc basis to provide health care for refugees in the fall of 2015. We show how different types of resources both enabled and constrained the autonomy of the professionals as they moved under the aegis of established civil society organizations and, as such, became bureaucratized. In the autonomous organizational setting, material resources were central, and professionals negotiated among themselves to establish working norms and guidelines for the acquisition and usage of resources. In the bureaucratized setting, with little to no room for negotiation, human resources were central, and regulations were imposed on the volunteering professionals by the civil society organizations.