Carmelo J. León González holds a PhD in Economics from the University of Las Palmas de Gran Canaria (ULPGC) and Bachelor of Economics from the University of La Laguna, Tenerife. Also holds a Master in Economics and a Diploma in Economics from the University of Manchester. He is a professor in the Department of Economic Analysis since 1989. He is Director of the Research Group ECOMAS (Economy, Environment, Sustainability and Tourism ), Director of the University Institute of Tourism and Sustainable Economic Development (Tides) and the UNESCO Chair in Sustainable Tourism Planning and Development of the ULPGC. From 2001 to 2008 he was Director of the Doctoral Program in Economics, Department of Economic Analysis of the ULPGC. It has three six-year research. He has been the principal investigator of several national and international projects on Economy, Environment and Tourism, and has specialized researches in environmental economics, valuation of environmental goods, tourism economics, economics of aquaculture and of natural resources. He has spoken at numerous conferences nationally and internationally and has written more than 70 scholarly articles, books and book chapters.