Matthias Ruete is a longstanding European practitioner. Starting off as a “mildly Eurosceptic professor at an English university”, he eventually joined the European Commission in 1986, climbing the ranks until he was appointed to lead the Directorate-General for Energy and Transport (DG TREN) in 2006. He also led the Migration and Home Affairs file at the Directorate-General for Migration and Home Affairs (DG HOME) between 2014 and 2017. Since leaving a role as special adviser to the European Commission, dealing with energy policy among other files, Ruete has worked as one of eleven European Transport Coordinators for the European Rail Traffic Management System.