Johnson Irungu Waithaka holds a PhD degree in Soil Science from the University of Reading (UK) and Msc in Agronomy and Bsc in Agriculture degrees from the University of Nairobi, Kenya. He is currently the Director of Agriculture, Crop Resources, Agribusiness and Market Development Directorate in the Kenya Ministry of Agriculture, Livestock and Fisheries. Dr Irungu worked at the Kenya Agricultural and Livestock Research Organisation (KALRO), rising to the position of Principal Research Officer before joining the Catholic Relief Services – Kenya Program where he was the Agriculture Program Manager, before joining the Ministry of Agriculture. He has served as Alternate Director, Coffee Development Fund and KEPHIS Boards of Management, Kenya Seed Company representing the Principal Secretary, Ministry of Agriculture from 2009-2010. Dr Irungu serves as Alternate Director for Kenya Seed Company Board, representing Principal Secretary, Ministry of Agriculture, since 2010. Dr Irungu has published widely.