H.E. Reuben Gauci was born on 20 May 1976 in Tal-Pieta`, Malta. He joined the Ministry of Foreign Affairs in 2007 following a national examination to enter the diplomatic service. As from the beginning of August 2026, he is the current Ambassador of the Republic of Malta to Japan, and is awaiting to present the Letters of Credence to His Majesty Naruhito, Emperor of Japan.

Reuben Gauci previously served as High Commissioner of the Republic of Malta to India as from September 2020 to August 2026, resident in New Delhi. He presented Credentials to the President of India, H.E. Ram Nath Kovind on 14 October 2020. He was also accredited as Malta’s High Commissioner to The Maldives, Sri Lanka and Bangladesh and Malta’s Ambassador to Nepal. Previously he served as Head of the Representative Office of the Republic of Malta in Ramallah, Palestine in the period October 2015 to September 2020. He also served as Career Consul General of the Republic of Malta in Istanbul, Turkey from July 2011 to September 2015 and as Charge d’ Affaires ad Interim at the Embassy of Malta in Lisbon, Portugal from February to June 2011. Prior to being posted abroad, he served in the Directorate of External Relations and Mediterranean Affairs and in the Directorate of Protocol and Consular Services. 

He completed a B.A. at the University of Malta in 1997. He also completed an M.A. in Human Rights and Democratization in 2004 and an M.A. in European Studies in 2008, both at the University of Malta. He is fluent in Maltese, English, Italian and Russian.

Ambassador Reuben Gauci is married to Dr Olga V. Gauci and they have a daughter, Alisa.