David O'Sullivan (civil servant)

David O'Sullivan
Ambassador of the European Union to the United States
In office 1 November 2014 – 4 March 2019
President	Jean-Claude Juncker
Preceded by	João Vale de Almeida
Succeeded by	Stavros Lambrinidis
Chief Operating Officer of the EEAS
In office 1 December 2010 – 31 October 2014
Preceded by	New office
Succeeded by	Helga Schmid
Director-General of DG RELEX
In office 28 October 2010 – 1 December 2010
President	José Manuel Barroso
Preceded by	João Vale de Almeida
Succeeded by	Office abolished
Director-General of DG Trade
In office 10 November 2005 – 28 October 2010
President	José Manuel Barroso
Preceded by	Peter Carl
Succeeded by	Jean-Luc Demarty
Secretary General of the European Commission
In office 1 June 2000 – 10 November 2005
President	Romano Prodi José Manuel Barroso
Preceded by	Carlo Trojan
Succeeded by	Catherine Day
Personal details
Born	(1953-03-01) 1 March 1953 (age 71) Dublin, Ireland
Political party	Independent
Children	2
Education	St Mary's College, Dublin
Alma mater	Trinity College Dublin College of Europe

David O'Sullivan (born 1 March 1953) is the Director General of the Institute of International and European Affairs (IIEA).^[1] He was previously a European civil servant served as Ambassador of the European Union to the United States from 2014 to 2019, Chief Operating Officer of the EEAS from 2010 to 2014, Director-General of DG RELEX from October 2010 to December 2010, Director-General of DG Trade from 2005 to 2010, Secretary General of the European Commission from 2000 to 2005.^[2][3]

O'Sullivan has held a number of high level positions including Chief of Staff to President Romano Prodi and Secretary-General of the European Commission between June 2000 and November 2005. From 2005 to 2010, he was Director General for Trade. In 2010, he was appointed as Director General for External Relations, with the responsibility of setting up the EEAS and was appointed the Chief Operating Officer on 1 January 2011.