Foreign, Commonwealth & Development Office

03/25/2026 | Press release | Distributed by Public on 03/24/2026 18:10

Change of British High Commissioner to Tonga: Keith McMahon

Mr Keith McMahon MBE has been appointed British High Commissioner to the Kingdom of Tonga in succession to Mr Philip Malone LVO, who will be transferring to another Diplomatic Service appointment. Mr McMahon will take up his appointment during June 2026.

Full name: Keith David McMahon

Year Role
2022 to present Accra, Deputy High Commissioner
2022 Tashkent, First Secretary Political
2019 to 2021 Khartoum, Deputy Ambassador
2016 to 2019 FCO, Deputy Director Financer
2014 to 2016 Washington, Chevron Corporation, Head of Corporate Affairs (on special unpaid leave from FCO)
2008 to 2014 Washington, First Secretary, Corporate Services
2007 to 2008 FCO, Finance Directorate, Corporate Transformation
2003 to 2007 Athens, First Secretary, Corporate Services
1999 to 2003 FCO, Desk Officer, Democratic Republic of Congo, Rwanda and Burundi
1998 to 1999 FCO, Desk Officer, China
1998 Paris, Third Secretary Consular
1995 to 1998 Yerevan, Deputy Ambassador
1992 to 1995 FCO, Worldwide Floater
1990 to 1992 Lusaka, Third Secretary Management
1988 to 1990 FCO, Finance Department
1988 Joined FCO
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