David O'Sullivan, Ambassador of the European Union to the US, discussed EU–US relations and the role of the European Union. Topics covered included Brexit, migration, trade and the Iran nuclear deal.The discussion was chaired by IISS–Americas Executive Director Mark Fitzpatrick.
David O'Sullivan was appointed Ambassador and Head of the European Union Delegation to the United States in November 2014. As the European Union’s top diplomat to the United States, Ambassador O’Sullivan oversees the EU’s bilateral relationship with the US and the direction and work of the EU Delegation including political, economic, and commercial affairs. His work supports the High Representative for Foreign Affairs and Security Policy in implementing the EU’s foreign policy. He also represents the Presidents of the European Council and the European Commission. Prior to his appointment as Ambassador to the US, he was the Chief Operating Officer of the European External Action Service and responsible for establishing this new EU diplomatic service.