Home and James Callaghan) 1972-74; Counsellor (Conference on Security and Co-operation in Europe) and later Head of Chancery, UK Mission, Geneva, 1974-77; Deputy Head, 1977-78, Head, 1978-79, Personnel Operations Department, FCO; Private Secretary (Overseas Affairs) to the Prime Minister (Margaret Thatcher), 1979-81; Ambassador, Vienna, 1982-86; concurrently Head of UK Delegation to the Negotiations on Mutual…