Ambassador João Vale de Almeida is the Head of the Delegation of the European Union to the United States. He presented his credentials to President Obama on August 10, 2010. Prior to his appointment in Washington as the European Union's Ambassador, he served as the Director General for External Relations at the European Commission, the European Union’s executive body. From 2004 to 2009 Amb. Vale de Almeida was the Head of Cabinet (Chief of staff and main adviser) for European Commission President José Manuel Barroso. Earlier in his career in the European institutions, Amb.