- Deputy Minister of Human Settlements
- Human Settlements Development Corporation
- Home Guaranty Corporation
- National Home Mortgage Finance Corporation
- Bliss Development Corporation
- PAG-IBIG
- Executive Director, Presidential Commission to Survey Philippine Education (1971-1973)
- Founding Executive Director, Educational Development Projects Implementing Task Force
- Deputy Director-General (undersecretary), National Economic Development Authority (1975-1981)
- Deputy Minister of Budget (1979-1981)
- Minister of Budget and Chairman of the Cabinet Development Budget Coordinating Committee (1981-1986)
- Chairman, National Economic Council (1963-1964)President, Bancom Group
- Member, Philippine Commission to Survey Philippine Education
- Board Member, Presidential Assistance on National Minorities
- Philippine National Bank
- Minister of Public Information, (1969-1980)
- Assemblyman representing Region V, Interim Batasang Pambansa (1978-1984)
- Chairman, National Economic Council (1964-1969)
- Chairman, Board of Investments (1970-1979)
- Secretary of Industry (1974-1979)
- Minister of Trade (1975)
- Minister of Public Highways (1979-1980)
- Chairman, Development Bank of the Philippines (1976-1979)
- Minister of Economic Planning (1981-1986)
- President, Philippine National Bank (1983-1986)
- Alternative Executive Director, World Bank (1970-1974)
- Executive Director, World Bank (1979-1980)
- Director General, Presidential Economic Staff, Office of the President (1966-1970)
- Minister of Education, Culture and Sports (1984-1986)
- Chairman of the Monetary Board and Governor, Central Bank of the Philippines (1981-1984)
- Minister of Budget (1975-1981)
- Executive Vice-President, Development Academy of the Philippines (1973-1977)
- Senior Economist, Presidential Economic Staff, Office of the President (1968)
- Secretary, Department of Education (1968)
- Founding President, Development Academy of the Philippines (1972)