Prof J. Alfredo Martínez holds a PhD in Nutrition being also PharmD and MD. He is co-author or has been involved in several landmark intervention trials such as SEAFOODplus, DIOGENES, NUGENOB, FOOD4ME, PREDIMED, PREVIEW, SWEET, and STOP, whose results and comments have been published in the most relevant medical and scientific journals including NEJM, Lancet; Nature Reviews, BMJ, AJCN, Circulation, etc with more than 26.000 citations (HFactor > 64), being IP in more than 50 national and international projects . Furthermore, Prof J. Alfredo Martínez has supervised more than seventy PhD students and published more than 800 peer-reviewed manuscripts and book chapters in the areas of Obesity and Personalized Nutrition, including precision nutritional omics. He is currently President of the International Union of Nutritional Sciences (IUNS) and has been recipient of several important awards including Hipocrates and Dupont prizes. In addition to be staff at the University of Navarra and IMDEA as well as some Spanish institutions such as University of Basque Country and University of Santiago de Compostela. During his scientific career, Prof J. Alfredo Martínez has enjoyed training or invited stays at Nottingham, Berkeley, MIT, Harvard, Oxford and King College London. Prof Martinez has been advisor for EU Projects or guest, speaker/ Main keynote lecturer in Important FORUM concerning Precision Nutrition in obesity and cardiometabolic diseases, such as IUNS and ISNN, OMS, FAO, IAEA, NIH. SLAN, FENS,….