From 2009 to 2013 Karolin studied political sciences and administration at the University of Konstanz, Germany and the University of Gothenburg, Sweden. She holds a Master’s degree in political psychology from Queen’s University Belfast, Northern Ireland.
Karolin was an intern at Global Policy Forum, at the office of Thilo Hoppe (a member of German parliament) and in the foreign programme office of the World Peace Service. She has written about the conflicts in Mali for the HIIK Conflict Barometer. Previously, Karolin spent a year as volunteer at PACINDHA, a Malian NGO working on issues of human rights and environmental protection in Bamako as well as in nature conservation areas in the South West of Mali.