Employed at the Kenya Forestry Research Institute as a Forest Pathologist since 1987 and have risen through the ranks as shown below;
Feb. 2014- Present: Chief Research Scientist:
2009 to Jan. 2014: Principal Research Scientist:
2002 to 2009: Senior Research Scientist:
1994- 2002: Research Scientist 1
1991 – 1994: Research Scientist II
1987 – 1991: Assistant Research Scientist
Adminstrative Responsibility
March 5 2018-March 31 2019: Acting Director, Kenya Forestry Research Institute
September 2017-Current: Senior Deputy Director, Research and Development, Kenya Forestry Research Institute
2014-Sept. 2017: Deputy Director, Forest Productivity and Improvement (Three Years Eight Months)
2009-2014: Deputy Centre Director, Muguga Regional Research Centre, now CHERP (Six years)
2002-2009: Head of Pathology Section of KEFRI (Seven Years)
1997-2007: concurrent with above; Assistant Project and Database Manager, International Forestry Research Institute (IFRI) Project (Ten Years). During this period I and my project team members helped establish the following research Centers within East Africa for the IFRI Project:
Kenya Collaborative Research Centre in 1997
Tanzania Collaborative Research Centre (Sokoine University) in 1998
Ethiopia Collaborative Research Centre located in Environment and Coffee Forest Forum, Addis Ababa in 2004.