Bachelor of Education, University Nairobi, Kenya, 1975. Master of Arts, University Nairobi, Kenya, 1977. Doctor of Philosophy, University Nairobi, 1989.
Master of Science, University Surrey, Guildford, England, 1985.
Assistant lecturer, U. Nairobi, 1978-1981;
lecturer, U. Nairobi, 1981-1991;
senior lecturer, U. Nairobi, 1991-1996;
head of economics, U. Nairobi, Kenya, 1991-1994;
associate professor, U. Nairobi, Kenya, since 1996;
senior fellow, Institute for Policy Analysis and Research, since 1996. Consultant African Development Bank, Kenya, 1992, United States Aid's Market Reform, Kenya, 1994. Coordinator Wold Bank's Regional Program for Enterprise Development in Kenya, 1993-1996.
Member economics management team, Government of Kenya, 1994.
Board member Step Magazine, 1990-1994. Board education Kilungu (Kenya) Secondary School, 1992-1994. Commissioner African Institute for Science Research and Development, Nairobi, since 1992.
Vice chairman elders' court Nairobi Baptist Church, 1994-1995. Member New York Academy of Sciences, Society for International Development, Kenya Economic Association (treasurer).
Married Margaret Itumbi Kilonzo, August 27, 1977. Children: Daniel Makau, Faith Mbithe, Paul Mumo.