Guillaume is an engineer specialized in signal processing, image processing and data analysis. He is also specialized in cognitive sciences and clinical neuropsychology and holds a Ph.D. in neurosciences from the University of Lyon I. 

He is currently a researcher fellow and his research projects focus on the development of new methods for the analysis of neurological, neurodevelopmental and psychiatric disorders, mainly based on big data analysis and machine learning. 

His research focuses on two main areas. The first, more fundamental, consists in refining the neuro-psycho-physiological models of the various disorders. The second, more practical, is to create clinical screening tools to improve the diagnosis, monitoring and treatment of patients.