I have a doctorate in economics of education. My HDR, defended on September 19, 2013, was entitled "From institutional efficiency to individual efficiency of an educational device: a model for optimizing the individual effectiveness of educational devices aimed at disadvantaged and/or at risk in higher education”. I am a university professor I was elected in June 2022 director of the interuniversity laboratory of education and communication of the UHA site and I am responsible for the master's degree in education.