International economic challenges and public service strategies were discussed at the first Global Public Service Leaders’ Summit, which brought together civil service chiefs from around the world. Suzannah Brecknell reports.

A workforce development manager says cuts have hit local authority support for vulnerable young people.

Frauds and mistakes cost the public sector about £20bn a year. Stuart Watson examines the efforts underway to spot criminal activity and government errors, and to end the chronic leakage from ever-shrinking public budgets.

Permanent Secretary, Department for International Development

Ian Watmore is the chief operating officer of the Cabinet Office's Efficiency and Reform Group. On 1 January he will become the Cabinet Office permanent secretary

Director General and HM Government Chief Information Officer, Corporate IT,

Department for Work and Pensions

Permanent Secretary, Department for Business, Innovation and Skills

Permanent Secretary and Head of HM Diplomatic Service, Foreign and Commonwealth Office

Head of Government HR Operations and Director General, Civil Service Capability Group, Cabinet Office; and Director General, Human Resources, Department for Work and Pensions

Executive Director, Major Projects Authority, Efficiency and Reform Group, Cabinet Office

Permanent Secretary, Welsh Government

Head of the Northern Ireland Civil Service and Secretary to the Executive, Northern Ireland Executive

HM Procurator-General, Treasury Solicitor and Head of the Government Legal Service, Treasury Solicitor's Department

Permanent Secretary, Scottish Government

Permanent Secretary, Department for Environment, Food and Rural Affairs

Permanent Secretary, Home Office

Permanent Secretary, Department for Transport

From January, Lin Homer will become chief executive of HMRC

Prime Minister's National Security Adviser

Permanent Secretary, Department for Work and Pensions

Permanent Secretary and Clerk of the Crown in Chancery, Ministry of Justice

Permanent Secretary, Ministry of Defence

Permanent Secretary, Department for Education

Permanent Secretary, Department for Communities and Local Government

On 1 January, Sir Bob will become the Head of the Civil Service

Permanent Secretary, Number 10

On 1 January, Jeremy Heywood will become the cabinet secretary