[4] After graduating with a MBBS Bachelor Medicine and Surgery degree and a Diploma Primary Health Care and Preventive Medicine, she spent 12 months as an intern at the main hospital in Suva before returning to Tuvalu in 1999.

Following her returned to Tuvalu in 1999 with Nene Ituaso-Conway, she began to practice medicine.

[7] From April 1999 to March 2001, Dr Miliama Simeona was a Medical Officer with the Ministry of Health Tuvalu.

She was employed as the Obstetrician Gynaecologist at Princess Margaret Hospital (Funafuti), from January 2002 to April 2011.

[8] She was Executive Director for the Tuvalu Family Health Association from April 2011 to November 2016, and oversaw the expansion of its clinical services.