June 2021 to Date: Director Marketing and Resource Mobilization, Egerton University
Oct 2015-date: Director Agro-Science Parkof Innovation Centre, Egerton University
2012 to date: Team Leader Seeds of Gold Agricultural Information and Communication platform, Nation Newspapers (Saturday Edition)
July 2021 to date: Professor Crop Physiology/Breeding, Egerton University
April 2009-Sept 2013: Senior Lecturer, Dept of Crops, Horticulture and Soils, Egerton University
2005-2009: Lecturer, Department of Crops, Horticulture and Soils, Egerton University
2005-2007: Research Fellow, Kenya Agricultural Research Institute, Njoro, Kenya
2001-2004: Assistant Lecturer, Department of Crops, Horticulture and Soils, Egerton University, Kenya
2002-2004: Research Fellow KARI Njoro
1996-2002: Assistant lecturer/Research Assistant, Department of Crops, Horticulture and Soils, Egerton University, Kenya