I am assistant lecturer and researcher at the Faculty of Economics and Management of the University of Yaounde II (Cameroon). My areas of specialization are: Urban waste management, Farming urban systems, Urban and periurban agriculture, Climate change and agriculture, Environmental responsibility of local firms. My thesis where a co-direction of University of Yaounde II (Cameroon) and French Agricultural Research Centre for International Development, CIRAD (France). I have attended several international meetings and published some papers.