2020: Chairman, Economics Department, Egerton University, Njoro
2013-To Date: Senior Lecturer, Department of Economics, Egerton University
2019-To Date: External Examiner-Economics Department, Kenyatta University
2015-To Date: External Peer Reviewer with Commission for University Education (CUE)
2016-2018: Ag Program Coordinator-KIPPRA and Head of Productive Sector Division
2016-2018: Principal Policy Analyst and Head of Productive Division, KIPPRA
2011- 2016: Senior Policy Analyst and Head of Trade and Foreign Policy Division, KIPPRA
2011-2016: Member of National Committee on World Trade Organization
2011-2015: Member of task force developing Kenya’s Regional Integration Strategy convened by Prime Minister’s Office
2012-2014: Member of task force developing Diaspora Policy
2011-2013: Member of task force on Kenya’s Trade Remedy Bill by Ministry of Trade
2008- 2010: Lecturer, Department of Economics, Egerton University
2008-2010: Faculty of Arts and Social Sciences representative to Graduate School, Egerton University
1995- 2004: Assistant Lecturer, Department of Economics, Egerton University
1991- 1993: Teaching Assistant, Department of Economics, Egerton University