Zein holds a PhD in Agri-food Economics and is a professor at the School of Agri-food Engineering and Biosystems of Barcelona (EEABB) of the Polytechnic University of Catalonia (UPC). For many years, Zein has been involved in several areas of consumer research, with a focus on preferences and acceptance of innovations in healthy foods. Since joining CREDA in 2006, his interest lies primarily in consumer behavior research. In particular, the decision to buy food products and the behavior toward healthier consumption, the acceptance of functional foods and sensory science. Previously, his research interests included the economic assessment of the multifunctionality of extensive agricultural systems and the impact of agricultural policy on farmers’ decisions.