Pedzisa mutsara unotevera: Brown-Pereira akaberekerwa muRarotonga muCook Islands uye akakurira muPapatoetoe, Auckland, New Zealand. Akaenda kuYunivhesiti yeAuckland uye akapedza dhigirii reBachelor of Arts muzvidzidzo zvematongerwo enyika uye zvemagariro evanhu. Kubva muna 1995 kusvika muna 1997 akashanda kuCook Islands Consulate General muAuckland, ndokuzotamira kuRarotonga kunotora chinzvimbo kuCook Islands Ministry of Foreign Affairs and Immigration. Muna 2000, akadzokera kuNew Zealand semunyori wekutanga kuCook Islands High Commission muWellington. Muna 2004 akatamira kuApia, Samoa, uye akashanda paNational University yeSamoa semutungamiri mukuru. Akatamira kuUnited States muna 2010, achidzokera kuSamoa gore rakatevera kwaakashanda mukutungamira mapurojekiti. Muna 2014 Brown-Pereira akagadzwa Executive Officer paSecretariat of the Pacific Regional Environment Programme. Muna 2018 aive chikamu chemumiriri weCook Islands ku
Musangano weUnited Nations wa2018 weKushanduka Kwemamiriro okunze.