Sylvaine Castellano is a Professor of Strategy. She joined EM Normandie in 2020. She has a PhD in management from the University of Luxembourg, awarded in 2010. Her thesis is on the dynamics of legitimacy and reputation in the wine industry in France. Her research interests are institutional and competitive dynamics, specifically in the wine and luxury markets. Her publications discuss the concepts of reputation, e-reputation and legitimacy. She has also written and coordinated books on entrepreneurship and online reputation. She is Dean of Research and leads the Laboratoire Métis (Métis Research Laboratory) at EM Normandie.