Sumaila replaces Mr Joseph Isah, who retired from the civil service last month, having attained the mandatory 35 years in service.
A trained engineer and project manager, Sumaila is a fellow of the Nigerian Society of Engineers.
According to a statement by the Special Assistant to the minister on Media, Mr Olayinka Oyebode, a copy of which was made available to the Nigerian Tribune in Abuja, until his appointment, Sumaila was a Senior Advisor, Government Relations with Shell Petroleum Development Company.
He holds a Bachelor of Engineering, Mechanical Engineering from the University of Ilorin, Ilorin, Nigeria and a Masters in Business Administration (MBA) from Business School Netherlands (BSN).
The appointment, according to the statement, takes immediate effect.