1958–1961: Sir Humphrey Trevelyan 1961–1965: Sir Roger Allen 1965–1967: Sir Richard Beaumont[6] 1967–1968: Break in diplomatic relations due to the Six-Day War[7] 1968–1969: Trefor Evans[8] 1969–1971: Glencairn Balfour Paul 1971–1974: Break in diplomatic relations following Iran's seizure of the Tunb islands 1974–1977: John Graham 1977–1980: Alexander Stirling 1980–1982: Stephen Egerton 1982–1985: Sir John Moberly 1985–1989: Terence Clark 1990–1991: Sir Harold Walker 1991–2004: Break in diplomatic relations following the First Gulf War 2004–2005: Edward Chaplin 2005–2006: William Patey 2006–2007: Dominic Asquith 2007–2009: Christopher Prentice 2009–2011: John Jenkins 2011–2012: Michael Aron 2012–2014: Simon Paul Collis 2014–2017: Frank Baker[9] 2017–2019: Jonathan Wilks[10] 2019–present[update]: Stephen Hickey