Amina Mohammed, deputy secretary-general of the United Nations (UN), on Tuesday took oath of office at the UN headquarters in New York.
Antonio Guterres, secretary-general of the UN, administered the oath on Mohammed, former minister of environment.
In accepting the appointment, Mohammed had said she was humbled at the opportunity to serve humanity.
“I want to say that I am extremely, very, very proud that you accepted to join our team. Thank you very much,” Guterres told Mohammed.