Enologist from the Pharmacy Faculty of Montpellier in 1989 and Doctor of the University Montpellier 1, he was in 1993 and 1994 Doctor associate of the University of California, Davis – USA in the department of Enology and Viticulture. Pierre-Louis TEISSEDRE is Full Professor in the Faculty of Enology of the University Bordeaux Segalen and was Adjunct Director of the UMR 1219 Œnologie INRA (Mixed Research Unit) with the responsability of the Oenopro Group, actually he is directing the applied Chemistry Laboratory of the USC 1366 Oenologie. Pierre-Louis TEISSEDRE is expert in the group of Technology and is the Scientific Secretary of the Commission «Safety and Health» of the International Wines and Vines Organization (OIV). He is the Director of Oenoviti international network (52 partners) and Head of the National Oenologist Diploma as well as Foreign Office in ISVV. He is specialized in the research field of grapes and wines phenolics compounds : qualitatives, sensorials and physiological, analytical chemistry of grape and wine, wine quality during winemaking and ageing, food safety (contaminants) and health in the science of enology. He developed a lot of scientific collaborations at industrial and academic levels. He is author of more than 200 publications and communications in international journals with peer reviews and is co-inventor of 11 patents.