Pascal Gonnon, born in 1970, is graduated in Civil Engineering. In 1993, for Omya, he has built the first concrete laboratory dedicated to the study and development of Ground Calcium Carbonate in concrete and bituminous applications. From this time, he is member of the French concrete standardization committee, convenor of the WG18 and has developed several methods, patents and scientist papers related to the functionality of mineral additions. He is based in Switzerland at the Omya international headquarter, in the Construction division and manage the laboratory and technical services activities in the field of mortar and concrete.