In 2020 Guillaume obtained his PhD after three years of research in collaboration with Total Energies and the University of Lille on the selection of surfactants for Enhanced Oil Recovery. He joined Formulaction as Application Researcher in 2021. Until now, he authored and co-authored 8 international scientific papers in the field of colloidal science. His research is mainly focused on physical and colloidal stability of formulations, on predictive algorithms and models for formulation screening, and on the behaviour of surfactants at interfaces.
