An electrical engineer and doctor in telecommunications and signal processing, Mamadou Lamine Ndiaye is a professor in the electrical engineering department of the Polytechnic Graduate School (ESP) of Cheikh Anta Diop University in Dakar (UCAD). He teaches electronics (analogue and digital), embedded systems, object-oriented programming (JAVA), networks (IP technologies and associated protocols), telecommunications and signal processing. He is currently director of the Research and Cooperation department of ESP. His research focuses on complex system modelling, signal processing and renewable energy. Since 2010, Professor Ndiaye has led a research group on energy management systems at ESP. His team's research focuses on the optimisation of intelligent control strategies for electrical systems. Dr Ndiaye was a member of the team that won the “Energy and first prize” of the D4D (Data For Development) programme by Orange. His work on "The use of mobile phone data for rural electrification planning in developing countries" aims to assess how mobile phone data contributes to the development of energy demand trend models to improve existing energy planning studies and electrification practices. As an expert in energy, he has contributed to several development projects: "Women's entrepreneurship and adaptation” financed by the ACDI in the villages of Dionewar, Niodior and Falia in the Saloum Delta in Senegal; "Monitoring the performance of solar street lamps in the Sahel" financed by the Senegalese Ministry for Higher Education and Scientific Research; "Setting up a test centre in Dakar to conduct quality controls on photovoltaic modules"; "Optimising the performance of a solar press for the productive extraction of groundnut oil in Senegal" financed by the German cooperation GIZ; "Setting up multifunctional platforms for the development of productive activities in rural areas".