Davidson grew up in
Holywood,
Northern Ireland, and was awarded a
Bachelor of Arts (Honours) in Law at
Trinity College, Cambridge before joining the
Foreign and Commonwealth Office in 1985. Although initially posted as a desk officer for Czechoslovakia and Bulgaria in the Eastern European Department, Davidson undertook Mandarin Chinese language training at the
School of Oriental and African Studies before his appointment as Second Secretary for Political/Information at the British Embassy in
Beijing from 1988 to 1992. From 1992 to 1993 Davidson worked as an analyst on terrorism and international security for the
Cabinet Office before being appointed as the Head of the China Section in the Far Eastern and Pacific Department of the FCO until 1996. From 1996 to 2000, Davidson was posted to the
High Commission in
Canberra,
Australia as a First Secretary. In 2001, Davidson was appointed Deputy Head of Mission at the
British Embassy Vilnius,
Lithuania, serving until 2004. From March 2005 to September 2006, Davidson was seconded to the private sector as Deputy Chief Executive of
International Financial Services London. In September 2014, Davidson married his American boyfriend Scott Chang () in a ceremony officiated by British Ambassador
Sir Sebastian Wood at the Ambassador's residence in Beijing, causing a stir in China, where same-sex marriage is not permitted. Davidson, who was married under English law which
has permitted same-sex marriage since March 2014, commented: "Obviously Scott and I are very happy to have this opportunity to marry under British law. We are very proud that the UK is one of the few countries in the world to make this happen." On 7 September 2015, Davidson was appointed
Her Majesty's Ambassador to Thailand, being set to take up his appointment in September 2016. However, he actually took up the post in June 2016. He was appointed
Companion of the Order of St Michael and St George (CMG) in the
2021 New Year Honours for services to British foreign policy. ==References==