Chancellor of the Duchy of Lancaster January 2018. The previous holder of the post was Patrick McLoughlin who was given the post following Theresa May's appointment as Prime Minister. Before this the holder of the post was Oliver Letwin, who was appointed in July 2014 when he was also Minister for Government Policy (2010–2015); following the 2015 general election, he was also given overall responsibility for the Cabinet Office and made a full member of the Cabinet. Chancellor of the Duchy of Lancaster The Chancellor of the Duchy of Lancaster is a ministerial office in the Government of the United Kingdom that includes as part of
Head of the Northern Ireland Civil Service Northern Ireland Executive, making the office-holder the "most senior adviser to the First Minister and the deputy First Minister". Head of the Northern Ireland Civil Service There has been a Head of the Northern Ireland Civil Service since Sir Ernest Clark was appointed the first holder of that office in 1921. As of 2017 and according to the Executive Office, the Head of the 23,500-people strong NICS "has primary leadership responsibility for creating, developing and sustaining the NICS as an organisation which serves the devolved administration, the institutions of government and the people of Northern Ireland through the provision of