Marc Schelewsky is Senior Project Manager at infas Institut für angewandte Sozialwissenschaft as a member of the department „Transport and Regional Research“, leaded by Robert Follmer. His main research topics are Digitization of the Transport Sector, Environmental Effects of Policies in the Transport Sector and Sustainable Transportsystems. Furthermore he works on development and improvement of internet and smartphone based research methods. Before, he was head of the Team „Digital Solution“ at the Innovation Centre for Mobility and Societal Change and head of the research area „media based mobility“. He was guest researcher at the Berlin Social Science Center (WZB). He holds a degree in Social Science from the Humboldt University in Berlin.