Dr. Guillaume Ezui

Program Manager – Cassava
  • EMAIL ADDRESS: g.ezui@apni.net


Dr. Kodjovi Senam Ezui, a native of Togo also known as ‘Guillaume’, is a Cassava Program Manager at the International Plant Nutrition Institute (APNI) based in Nairobi, Kenya.

Dr. Ezui has an extensive experience working in the field of crop modelling, soil fertility management, participatory learning and action research in sub-Saharan Africa. He holds a PhD in Plant Production Systems from Wageningen University in the Netherlands (2017), an MSc in Agriculture and Environment Engineering (2010) and a BSc in Crop Production (2001) from the University of Lomé, Togo.

Before joining APNI, he worked for the International Plant Nutrition Institute (IPNI) as Cropping Systems Agronomist (2016 to mid 2019). In both IPNI and APNI, he coordinates activities of the African Cassava Agronomy Initiative (ACAI) with focus on developing site-specific nutrient management recommendations for cassava production using crop modeling.

Prior to joining IPNI, he worked for 14 years for the International Fertilizer Development Centre (IFDC) in Togo as Agronomist. At IFDC, he was involved in activities on integrated soil fertility management (ISFM) and participatory learning and action research (PLAR) within multi-stakeholder’s platform settings. He was key in promoting the use of crop modelling for developing and mapping site-specific fertilizer recommendation in West and East Africa. He was involved in training many scientists and agriculturalists from universities and research and extension service institutes on the applications of crop models, ISFM and PLAR.