Willy Rickett, 53, will take up the post from 6 March. He was appointed head of deputy prime minister John Prescott's task force in 2000.
Mr Rickett began his career at the former Department for Energy, where he worked on the privatisation of the electricity industry and became director general of the Energy Efficiency Office. In his new role he will replace Joan MacNaughton who has been director general of energy for more than four years. Miss MacNaughton has been asked to stay on until the summer to lead work on international energy issues.
Details of Mr Rickett's career:
Principal, Atomic Energy Division, 1978
Private Secretary to the Prime Minister, 1981 Seconded to Kleinwort Benson Ltd, 1983 Assistant Secretary, Oil Division, Department of Energy, 1985 Assistant Secretary, Electricity Privatisation, 1987 Grade 4, Electricity Privatisation, Department of Energy, 1989 Under Secretary, Energy Efficiency Office, 1990 Finance Director, Department of Environment, 1993 Director, Land Use Planning, DoE, 1997 Head of the Economic & Domestic Secretariat, Cabinet Office, 1998 Director General, DETR and then DfT, 2000 Ernst & Young, 2004