Early life, education and early career
Educated at Bromsgrove School and University of Bristol, Quayle entered the Foreign Office in 1977 and studied Thai at the School of Oriental and African Studies, University of London. As a junior diplomat, Quayle studied at Chiang Mai University.
Before being sent to Romania, Quayle's previous Diplomatic Service postings included:
- Bangkok, Thailand (Second Secretary, Political)
- Paris, France (First Secretary, Political)
- Jakarta, Indonesia (Deputy Head of Mission)
Quayle served as British Ambassador to Romania from 2002 until 2006, after which he was concurrently appointed as Her Majesty's Ambassador to the Kingdom of Thailand and (non-resident) Ambassador to the Lao People's Democratic Republic. He took up this post in August 2007, succeeding David Fall, and was replaced in November 2010 by Asif Ahmad.
Quayle spent a lot of time in his roles as Ambassador promoting trade and investment and worked very closely with the British Chamber of Commerce in Thailand (BCCT); his job directly before his posting to Bucharest was as International Group Director with UK Trade and Investment.
He has also worked in the private sector for Price Waterhouse Management Consultants and VT Group. From 2011-16, he served on the boards of the Institute of Chartered Accountants of Scotland, the Royal Institution of Chartered Surveyors, the Nursing and Midwifery Council and the HS2 Exceptional Hardship Panel. He also acted as Senior Adviser to De La Rue, Salamander Energy (now Ophir Energy) in this period. He currently serves as Honorary Chairman of International Beverages Holdings, the international arm of ThaiBev, and sits on the Governing Council of the Council for Licensed Conveyancers. He works as Senior Advisor to Prudential and Sindicatum Sustainable Resources in Thailand and is a lay member of the Queen's Counsel Appointments Panel .
He is married to Alison Quayle, a professional translator, and has two sons, Christopher and Alexander.
- A & C Black (2012). "QUAYLE, Quinton Mark". Who's Who 2012, online edition. Oxford University Press. Retrieved 2012-05-08.
- "British Ambassador to Thailand visits Chiang Mai". Chiangmai Mail. 14 July 2008. Retrieved 17 September 2010.
- "British Ambassador to leave post". British Embassy Bangkok. 29 September 2010.