Bachelor of Science, University Nairobi, 1983. Master of Science, University Nairobi, 1992. Postgraduate, Stockholm University, 1995.
Postgraduate, Cranfield University, United Kingdom, since 1995.
Assistant agricultural engineer, Ministry of Agriculture, Nairobi, 1983-1985;
lecturer, JKUAT, Nairobi, since 1985. Coordinator Evaluation and Monitoring, Soil Conservation, Nairobi, 1983-1985. Consultant Minor Roads Program, Ministry of Works, Nyeri, 1991-1992, Evaluation of Soil Conservation, Kenya, 1993.
Researcher in land evaluation, Kenya.
Member New York Academy of Sciences, National Geographic Organization, International Rainwater Catchments Organization, Planetary Society.
Married Nikasius Mati Muverethi, July 3, 1982. Children: Munene, Karimi, Wycliffe, Sylvia.