Prof NDOYE is a physician, holder of “aggregation” in the field of Microbiology, with about 10 years experience in public health, then 10 years experience as a hospital practitioner in hygiene and microbiology. After that, he set up and led one of the first African national programs for Patient Safety, during 10 years. His rich experience of the field studies and activities in the African context, expressed by numerous scientific publications, make of him a member of various scientific organizations and worldwide working groups: