Ben has been the Director of Kenya Forestry Research Institute from 2009 until 2018. He has extensive working experience in Forestry Utilization, Forestry and Natural Resources Management, Research Management and Networking in Research and Development.
He is also the current Executive Secretary for The Network for Natural Gums and Resins in Africa (NGARA), Regional Coordinator of the Commonwealth Forestry Association (CFA) in Africa, and the Coordinator for the Association of Forestry Research Institutions in Eastern Africa [AFREA].
He received the Head of State Commendation Award in 1996 for his contribution to the society in the development of gum arabic and plant resins sub-sector in Kenya. He was also awarded a certificate of merit for Innovative Scientific Research and Development of the Kenya Forestry Research Institute, 1990 in recognition of his contribution in the areas of biomass energy and production of laminated items.