December 2007 – to date: Senior Research Scientist, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
July 1998 to November 2007: Research Officer I, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
July 1994 – June 1998: Research Officer II, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
August 1990 – June 1994 Assistant Research Officer, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
Administrative Responsibility
February 2019 – To date: Programme Director, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
December 2010 – February 2019: Deputy Programme Director, National Forest Products Research Programme (NFPRP), Kenya Forestry Research Institute (KEFRI), PO Box 64636, 00620, Nairobi, Kenya
December 2016 – to date: National Project Coordinator, Dutch-Sino East Africa Bamboo Development Programme