Andrina Thomas is descended from the Na Vuhu Sule clan of Matantas Village on the island of Espiritu Santo in Vanuatu.
[1][2] She attended the University of the South Pacific in Fiji, graduating with a bachelor's in public administration and, in 2003, an MBA.
[8][9] Thomas has been an activist for women's inclusion and empowerment in Vanuatuan society, and against femicide in the country.
[10] The party eventually opted not to contest the 2020 election due to a lack of funding, but Thomas and other candidates still ran as independents or representing other parties; in her case, she ran as a candidate for the Oceania Transformation Movement in the Espirito Santo rural constituency.
[7][11] In 2022, Thomas ran as a candidate for president of Vanuatu from the Leleon Vanua Democratic Party.