José Maria de Vasconcelos, popularly known as Taur Matan Ruak, is an East Timorese politician who served as 8th prime minister of East Timor from 2018 to 2023. He also served as 5th president of East Timor from 2012 to 2017.

East Timor, also known as Timor-Leste, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor - of which the western half is administered by Indonesia - the exclave of Oecusse on the island's north-western half, and the minor islands of Atauro and Jaco. Australia is the country's southern neighbour, separated by the Timor Sea. The country's size is 14,950 square kilometres (5,770 sq mi). Dili, on the north coast of Timor, is its capital and largest city.