This is according to reports on Wednesday monitored by AFNews on Arise TV.
Okonjo-Iweala defeated her fellow finalist, Ms Yoo Myung-hee from South Korea by a wide margin for the keenly contested position.
It is understood that the development will be formally announced by the WTO later today (3 pm Nigerian time).
Our reporter further gathered that Okonjo-Iweala polled 104 votes from 164 member countries to defeat Myung-hee of South Korea in the final stage of the race for the international job.
Details shortly…