He is deputy director of the joint research unit "Actors, Resources and Territories for Development" (ART-Dev). Multifunctionality of agriculture and diversity of family farming around the world are recurring themes he undertakes, implementing finalized research. He is CIRAD’s focal point on Family Farming. He participates actively to the UN decade of Family Farming, launched in Rome in April 2019. Recently, his researches focus on agriculture intensification pathways in the face of Sub-Saharan Africa demographic challenges, articulating household approaches and territorial perspective in Mali, Madagascar, Togo and Burkina Faso.