Dr. Barquera is a medical surgeon from the Universidad AutÃ³noma Metropolitana in Mexico City with graduate MS and PhD degrees from the Friedman School of Nutrition Science and Policy at Tufts University in Boston MA. He has been a consultant for WHO, PAHO, IFPRI and the IAAE in the fields of nutrition, obesity and chronic diseases. He is co-author of diverse books and scientific papers such as the Third Report on the World Nutrition Situation of United Nations, the Mexican Nutrition Survey (1999), the Mexican Health Survey (2000) and the Mexican Health and Nutrition Survey (2006) reports. In 2003 he was a member of the team that received the Fred L. Soper award to the excellence in health literature for an article characterizing the obesity and nutrition transition situation in Mexico. Currently Dr. Barquera is president of the nutrition board of professors at the Mexican School of Public Health and Director of the Nutritional Epidemiology Division at the Nutrition and Health Research Center. He is member of the advisory board in chronic diseases and diet for the Ministry of health and has been recognized as National Investigator by the Mexican National Council of Science and Technology.