4MNT is a US-based consultancy on macroeconomic policy analysis, macroeconomic modeling, economic development, applied econometrics, tax policy and administration, international trade and finance, and monetary-financial sector issues. 4MNT supports governments in their endeavors to achieve macroeconomic stability, sustained and inclusive economic growth.

About Our CEO


Founder and CEO of 4MNT, Olumuyiwa Adedeji, is an international expert with two decades of experience from the International Monetary Fund (Washington, DC) and Federal Ministry of Finance, Budget and Planning (Nigeria). Olumuyiwa is an experienced economic policy consultant with a demonstrated history of working effectively with senior policy makers on public finance, international trade and finance, monetary and financial sector-related issues. He served as an Economic Advisor to the National Economic Management Team and Ministry of Finance, Nigeria. He holds a PhD in Economics and Master’s Degree in Economic Policy Management from McGill University, Canada and a Bachelor’s Degree in Economics (First Class Honors) from University of Ibadan, Nigeria.

He has consulted for many organizations, including Dalberg Global Development Advisors, Foreign, Commonwealth and Development Office (FCDO), and Federal Ministry of Budget, Finance and Planning, Nigeria. He was recently appointed as a member of Senior Technical Review Team on Nigeria’s Medium Term National Development Plan. He is currently assisting the Federal Ministry of Finance, Budget and Planning, Nigeria with incorporating climate change, mitigation and adaptation in the existing macroeconomic frameworks.

At the International Monetary Fund (IMF), he worked on many countries (Belize, El-Salvador, GCC countries (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and United Arab Emirates), Georgia, Guatemala, Haiti, Iran, Malawi, Mexico, Moldova, Peru, Tajikistan, Tanzania, Timor-Leste and Uruguay), with exposure to policy issues affecting emerging markets and low-income countries. He contributed to many policy papers and served as the team leader for the group on vulnerability assessment. He produced many analytical papers dealing with foreign exchange regime and macroeconomic performance, fiscal sustainability, fiscal decentralization and fiscal reaction functions, inclusive economic growth, and access to international financial markets. He examined monetary policy spillovers and the role of oil prices, and international capital mobility. In Fiscal Affairs Department of the IMF, he participated in technical assistance missions on tax policy and administration; and mining taxation and natural resource management and general tax policy. His experience at the Institute for Capacity Development (IMF) and the opportunity to serve as instructors during Financial Programming courses helped him to better appreciate the critical role of enhanced capacity in policy design and implementation. He delivered financial programming course in Joint Vienna Institute, Austria. In Strategy and Policy Review Department of IMF, he was the Team Leader for the group on vulnerability assessment for developing and frontier economies (DFE) and participated in the interdepartmental risk group. Olumuyiwa was a key contributor to the innovative Board paper on Catastrophe Containment and Relief Trust (2015)-a policy instrument designed to provide financial assistance to countries affected by natural disasters. He made presentations to European Commission (Brussels), FCDO (London), and Commonwealth Secretariat (London) on the analytical underpinnings and the results of vulnerability assessment.

He participated in critical policy issues during his stay in Nigeria as the primary economic and policy advisor to the National Economic Management Team and Ministry of Finance, including the structuring of Nigeria’s Sovereign Wealth Fund, railway modernization, development of the framework for Public Private Partnerships and the issuance of sovereign bond. He worked extensively with the World Bank and the African Development Bank. He served as the Federal Ministry of Finance counterpart for international and regional organizations (IMF, World Bank Group, and AfDB) missions. His primary responsibilities also included ensuring effective collaborations between the Ministry and international financial and regional institutions.