Serhat Karakayali works as a sociologist at the Berlin Institute for Integration and Migration Research (BIM) at the Humboldt University of Berlin. He conducts research on topics such as volunteering for refugees and cosmopolitan concepts of solidarity. As part of his research, he develops scientifically grounded concepts for dealing with migration and diversity. His dissertation, Gespenster der Migration: zur Genealogie illegaler Migration in der Bundesrepublik Deutschland (Ghosts of migration: On the genealogy of illegal migration in the Federal Republic of Germany), was published in 2008. Karakayali has published numerous articles and reports, most recently “The Volatility of the Discourse on Refugees in Germany” (with Bastian Vollmer, 2017) and “Feeling the Scope of Solidarity: The Role of Emotions for Volunteers Supporting Refugees in Germany” (2017).