From April 25 to April 26 a group of 20 researchers from all world regions met for the Kick-Off Retreat of the DFG- funded Research Training Group “Cross-Border Labour Markets” in Schwelm. The involved Principal Investigators presented their theoretical perspectives on cross-border labour markets at the interface of economic sociology, migration studies and economic labour market research. Doctoral and postdoctoral researchers, funded by the RTG or associated to it, presented their research projects on the cross border labour markets of performers, physicians, Au Pairs, Russian Anti-war refugees, just to name a few. The projects focus on migration agencies, brokers, legal institutions, and migrant networks as institutions and infrastructures enabling and stabilizing cross-border labour markets. This Research Training Group is funded by the Deutsche Forschungsgemeinschaft (DFG) for a period of five years.