Aida Lazzez from Tunisia, is an educator and permanent researcher at the unit of Technology and Quality at the Olive Tree Institute (L’Institut de l’Olivier) in Sfax, Tunisia, since 2005. Her research aims to improve the quality of olive oil through the study of factors such as the maturation process, olive tree varietals, extraction techniques, geographical locations, irrigation and climate factors. In recent years she has focused on developing olive oil authentication techniques through biomarkers and olive oil “fingerprints”. The author of more than 20 scientific papers and co-author of many more, she has participated in several national and international scientific conferences and is a permanent member of the Scientific Committee of the International Symposium Med Mag Oliva where she is in charge of developing several programs including a course on the sensory analysis of olive oil. As a member of her country’s Audit Committee she is responsible for controling olive oil mills and practices and as a member of Tunisia’s National Olive Oil Office she controls the application of physico-chemical methods of analysis of olive oil and olive pomace oil. She is an accredited olive oil taster since 2009, through the University of Jaen, where she also teaches a university-level course on olive oil sensory analysis and another one on the chemistry of fats.