Tuita-Tupou Tu'ivakano has a BA in Anthropology in 1999,[1] and PG Cert in Diplomatic Studies from the University of Oxford.

[citation needed] Queen Elizabeth II accredited Tuita-Tupou Tu'ivakano as High Commissioner of Tonga to the United Kingdom on 27 June 2018.

[3][4][5] The role had previously been held by her father the Honourable Siosa’ia Ma’ulupekotofa Tuita, from 1989 to 1992.

[6][7] On 4 August 2020, she formally deposited the ratification instruments for the Worst Forms of Child Labour Convention together with International Labour Organisation Director-General, Guy Ryder, which was the first time an ILC convention was ratified by all member states.

[2] In 2007 she became engaged to Major Siaosi Kiu Tau-ki-Vailahi Kaho (to);[10] they married the same year, on 30 April civilly and on 3 May religiously.