Professor
Basic Sciences
University of Nairobi
Kenya
1978: Rangeland Ecologist, Ministry of Agriculture and Livestock Development, Kenya. • 1986: Assistant Lecturer, Department of Botany, University of Nairobi. • 1987: Lecturer, Department of Botany, University of Nairobi. • 1990: Senior Lecturer, Department of Botany, University of Nairobi. • 1997 - Present: Associate Profes sor, School of Biological Sciences, University of Nairobi
Ecology of arid and semi arid zones with special interest on bioproductivity and human/livestock/wildlife interactions and pastoralism.