Dieter K. Müller holds a PhD from Umeå University, Sweden, where he is now employed as a professor. Currently, he is dean of the Faculty of Social Science and chairperson for the IGU Commission Geography, Leisure and Global Change. His research main interests are tourism and regional development, mobility and tourism in peripheral areas, more specifically, all aspects of second homes and second-home related mobility, Sami tourism, nature-based tourism, tourism labor markets, regional development and rural change particularly in Northern peripheries and Polar areas. Müller has recently published the following books; Nordic Tourism (2009, together with C.M. Hall and J. Saarinen); Polar Tourism: A Tool for Regional Development (2011 with Grenier); and New Issues in Polar Tourism (2013 with Lemelin and Lundmark). Currently he is working on a book on Arctic Indigenous Tourism together with Arvid Viken, University of Tromsø.Marek Więckowski is a professor at the Insitute of the Geography and Spatial Organization at the Polish Academy of Sciences in Warsaw. In 2014 he was nominated as the director of the Scientific Center of the Polish Academy of Sciences in Paris. During his post-doc program (2002-2004) he worked as a researcher at the ENS LSH in Lyon (France). Więckowski prepared his PhD thesis on cross-border cooperation between Poland and Slovakia and his habilitation on tourism development in the Polish borderlands. His research interests in tourism include tourism development in borderlands (e.g. relationships between tourism and borders), tourism development in mountains and protected areas, mobility aspects, accessibility to tourism destinations and self-catering accommodation. Today Więckowski is also editor-in-chief for Geographia Polonica.
