Daniel Calleja has a very broad experience in the Commission having worked in many different areas since 1986. Before joining DG ENV on 1st September 2015, Mr Calleja was Director General of DG Internal Market, Industry, Entrepreneurship and SMEs till 31st August 2015. Previously, from February 2011 to January 2012, he was the Deputy Director General of DG Enterprise and Industry, and Special Envoy for SMEs. Mr Calleja was Director for Air Transport at the European Commission from November 2004 to February 2011, in charge of the single European aviation market, safety and security issues, and its external dimension. He has successfully negotiated, on behalf of the E.U., the EU-US Open Skies Agreement. From 1993 to 2004 he worked in different positions in the cabinets of several Commissioners, including the President of the European Commission, advising on Transport and Competition matters, State Aids and the application of Community Law. Mr. Calleja was the Head of Cabinet for Commissioner Marcelino Oreja, responsible for institutional affairs, and for the Amsterdam Treaty negotiations. He was also the Head of Cabinet of the Vice-president of the European Commission, Mrs. Loyola de Palacio, in charge of Transport and Energy between 1999 and 2004. During her mandate he contributed to the development of some key files like the maritime safety packages, the first EU Directive on renewables and the launch of the Galileo programme. He started his career in the Commission as Member of the Legal Service between 1986 and 1993, representing the institution in numerous cases before the European Court of Justice. His background is in Law and Business Administration.