Marjeta JAGER is currently Deputy Director General for the Directorate-General for International cooperation and Development (DG DEVCO). Ms JAGER has been working in the European Commission since 2005, starting as Director for Security in DG Energy and Transport and later being Director for international energy and transport files and coordination, as well as being Head of Cabinet of the Transport Commissioner.

Before joining the Commission Ms JAGER was more than a decade working on the accession of Slovenia to the EU for the Ministry of Foreign Affairs and she was the first Coreper I Ambassador of Slovenia to the EU.