Theodoros Varzakas received a bachelor's degree in microbiology and biochemistry, MBA in food, and Ph.D in food biotechnology from Reading University, UK in 1992 and 1998, respectively. He has been a postdoctoral researcher at Reading University, worked in large pharmaceutical and multinational food companies in Greece, and possesses at least 14 years of experience in the public sector. Since 2005, he has served as an assistant and associate professor in the Department of Food Technology at the Technological Educational Institute of Peloponnese, Greece (Higher Institute of Kalamata, Greece), specializing in issues of food technology, food processing, food quality, and safety.
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.