Guillaume joined LFIS in January 2013. Guillaume worked at Société Générale Corporate & Investment Banking (“SGCIB”) from 2002 as an Equity Derivatives Proprietary Trader where he was in charge of the volatility activities. He then joined Crédit Agricole Corporate Investment Banking (“CACIB”), where he was in charge of the Equity Derivatives Proprietary Trading. Guillaume spent 6 years at CACIB starting 2006 as the Global Head of the Equity Derivatives Structured and Flow Trading, in which he was deeply involved in the development of a product range from vanilla products to structured products. Guillaume graduated from engineering school Ecole des Mines of Paris.