Ivar Eimhjellen (Ph.D Sociology), is senior researcher at NORCE and affiliated with the Centre for research on civil society and the voluntary sector as researcher and research coordinator. Eimhjellen has experience with research and project management within themes such as coproduction between the public and voluntary sector, public policy for the voluntary sector, integration and social entrepreneurship. He also has long experience with research on voluntary engagement, new forms of collective action, and social, voluntary and political participation in social media. Methodically, he collects and analyses both qualitative and quantitative data. He publishes scientific articles, book chapters and reports based on his research, in Norway and internationally.