African Development Bank (AfDB)
College of Administrative Sciences, Najrān University, Saudi Arabia.
Department of Economics, University of Michigan, USA.
Namibia University of Science and Technology, Namibia.
Member of Monetary Policy Committee, Central Bank of Nigeria.
School of Economics, Australian National University, Australia.
School of Management & Social Sciences, Pan-Atlantic University
Bristol Centre for Economics & Finance, UK
Economic Policy Research Institute, South Africa.
Business & Management, Södertörn University, Sweden