Dr François Sorrentino worked as project manager and senior scientist at the Lafarge research laboratories, and also as Research Director of CNRS. Prof. Denis Damidot is Professor at Institut Mines-Télecom Lille Douai where his research is devoted to cementitious materials through a mainly physico-chemical approach based on experiments and numerical simulation. Dr. Charles Fentiman works as a materials consultant and is organiser of international conferences about Calcium Aluminate Cements.