Theodoros Varzakas owns a Bachelor (Honours) in Microbiology and Biochemistry (1992), and a Ph.D. in Food Biotechnology and an MBA in Food from Reading University, UK (1998). He has also worked as a postdoctoral research staff at the same university. He has worked in large pharmaceutical and multinational food companies in Greece for 5 years and has also got at least 14 years experience in the public sector. Since 2005 he serves as Assistant and Associate Professor in the Department of Food Technology, Technological Educational Institute of Peloponnese (ex Kalamata), Greece specializing in issues of food technology, food processing, food quality and safety. Reviewer in many international journals such as (International Journal of Food Science & Technology, Journal of Food Engineering, Waste Management, Critical Reviews in Food Science and Nutrition, Italian Journal of Food Science, Journal of Food Processing and Preservation, Journal of Culinary Science and Technology, Journal of Agricultural and Food Chemistry, Journal of Food Quality, Food Chemistry, J. Food Science). Has written more than 90 research papers and reviews and has presented more than 90 papers and posters in national and international conferences. He has written two books in Greek, one on genetically modified food and another one on Quality control in food. He has edited a book on sweeteners which has been published in 2012 by CRC and another book on biosensors published by CRC in 2013. Constantina Tzia, received a diploma in chemical engineering and a Ph.D in food engineering from the National Technical University of Athens, Greece in 1977 and 1987, respectively. His current research interests include quality and safety (HACCP) of foods, sensory evaluation, fats and oil, dairy and bakery technology, and utilization of food by-products. Professor Tzia’s work has been widely published and presented, appearing in prestigious publications such as the Journal of Food Science, LWT - Food Science and Technology, Innovative Food Science and Emerging Technologies, Food and Bioprocess Technology, and Journal of the American Oil Chemists' Society.