Professor Nathan Lillie is a Professor of Social and Public Policy at the University of Jyväskylä, Finland. He holds a PhD from the Cornell University, School of Industrial and Labour Relations. He has worked as a researcher at the Helsinki Collegium for Advanced Studies, and as an Associate Professor at the University of Groningen, Department of International Business and Management. In addition to participating the SIRIUS project, he has been PI on research projects such as the ERC funded project “Transnational Work and the Evolution of Sovereignty” (263782), on the regulation of posted work in the European Union, the Academy of Finland funded “Industrial Citizenship and Labour Mobility in the EU, a Migrant Centered Study of Estonia-Finland and Albania-Italy Labour Mobility,” and the DG Employment and Social Affairs funded Protecting Mobility through Improving Labour Rights Enforcement in Europe (PROMO)”, VS/2016/0222. His work has appeared in journals such as Work, Employment and Society, British Journal of Industrial Relations, International Studies Quarterly and European Journal of Common Market Studies. He has been active in European trade union networks as a scientific advisor and participant in EU Commission, ETUI and trade union sponsored research and dissemination activities. Prof. Lillie’s research interests include migration and labour markets, labour market segmentation and precarious work, European level regulation of mobility and employment, and the development of biographical methods for understanding the impact of EU regulation on everyday lives of workers.