Career
He was High Commissioner to New Zealand and concurrently the Governor of the Pitcairn Islands from 1998 to 2001. As of 2012 Williams serves as a consultant to the New Zealand Antarctic Heritage Trust. His assignments include 1993-1995 On loan to Northern Ireland Office, 1990-1992 Foreign and Commonwealth Office (Head of South Asian Department), 1986-1990 ROME (Head of Chancery), 1982-1985 NEW DELHI (Head of Chancery), 1980-1982 Foreign and Commonwealth Office (Assistant Head, Aid Policy Department), 1977-1980 TEHRAN (First Secretary Commercial and Head of Chancery), 1974-1977 Foreign and Commonwealth Office (Marine and Transport Department), 1972-1973 Foreign and Commonwealth Office (On loan to Civil Service College), 1970-1972 MILAN (Vice Consul Commercial), 1966-1969 MANILA (Second Secretary Political), 1965-1966 Foreign and Commonwealth Office (On loan to Civil Service College), 1964-1965 Foreign and Commonwealth Office (Private Secretary to Permanent Under-Secretary), and 1963-1964 Foreign and Commonwealth Office (Constitutional Department).