 He has been faculty member of the National College of Public Administration and Governance of the University of the Philippines Diliman and visiting professor at Brooklyn College, City University of New York and Yale University.He has also worked with the United Nations University in Tokyo.Abueva's service to the nation includes stints as secretary of the 1971 Constitutional Convention, executive director of the Legislative-Executive Local Government Reform Commission and Chairman of the Legislative-Executive Council that drew up the conversion program for former military bases.