[1] Mary Jarvis Yak was the Minister for Human Resource Development in the Cabinet of South Sudan, being appointed on 10 July 2011.
Yak advocated South Sudan joining the Bank Group as a way to foster social economic development and poverty reduction.
[3] By 2013 Yak held the title of Deputy Minister of Finance and Economic Planning.
As Deputy Minister of Finance and Economic Planning, Yak announced the government did not have the funds to regularly pay all salaries, but that the government could pay 2 months salary to civil servants.
[4] She was appointed the Deputy Minister of Finance and Planning in the Transitional Government of National Unity (TGoNU) of the Republic of South Sudan, appointed by the President of the Republic of South Sudan -H.E.