Nigeria faced unprecedented flooding with more than 4.4 million people affected across the country and 2.4 million displaced.
Mr Ojielo authored numerous scholarly and technical publications and holds a PhD in Peace and Conflict Studies from the University of Ibadan.
UN Secretary-General Antonio Guterres on Sunday condemned an attack in Kidal, a city in northern Mali, against a convoy of UN peacekeepers that claimed the life of a blue helmet.
Mr Guterres is expected to discuss insecurity challenges in Nigeria and impact of the Ukraine war on Africa.
The Al-Wuhailat market was filled with shoppers preparing for the Eid-al-Adha festival.
