Mr Sharrock is Director for UN Affairs and International Organisations, at Microsoft, based in Paris.  Prior to that he led work to establish a Data Science strategy at HM Treasury in the UK, and spent 5 years as the UK’s Permanent Representative, and Dean of the Ambassadors, at the OECD and IEA in Paris.  Previous senior roles include Deputy Director of Debt and Reserves Management at HM Treasury, and Chief Economist at the Department for Culture, Media and Sport. He has worked across domestic, financial, EU and International policy, including in the Private Office of the Chancellor of the Exchequer. Before joining the UK Civil Service, he taught in schools in the UK.