Dr. Aristidis Papagrigoriou is Assistant Professor of Tourism Management in the University of West Attica. He holds a PhD in Entrepreneurship and Innovation from Harokopion University of Athens. In specific, his PHD research has been oriented to the Contribution of Innovation to Entrepreneurship through the Adoption of Sustainable Development Methods: The Case of Green Key Hotels Certified. He is also memberof scientific and academic committees in the University of West Attica. He presents several publications in books, scientific journals, conference proceedings and printed / electronic media. He is currently teaching Strategic Management, Revenue Management, Entrepreneurship and Innovation. His scientific and research interests are focused on Entrepreneurship and Innovation, Tourism Management and Tourism Economics. He also teaches in Postgraduate Programs.