Ngozi Okonjo Iweala 

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• The Nigerian economist Ngozi Okonjo Iweala has been appointed as the head of the World Trade Organization. She has become the first woman to take this position.

• She has also become the first African to hold this charge. 

• Okonjo-Iweala was named as the Director General by the representatives of the 164 member countries of WTO. 

• The WTO is the organisation dealing with the rules of trade between the nations on the basis of negotiated agreements.