The team leader is a specialist of retirement migration who has also published widely on transnationalism, dual citizenship, international travel, localism/cosmopolitanism and territorial belonging, and carried out both in-house and externally funded research projects on these issues. He's a member of international research networks in the fields of lifestyle migration and business mobilities. Since 2010, he is also program secretary for ‘Dilemmas of diversity’, a major multidisciplinary research program about international migration and ethnic relations at the Institute for Housing and Urban Research, Uppsala Universitet.