Since 2001, Professor Marti has been the director of the Navarra Study Group of Childhood Obesity. She has worked with the German Academic Exchange Agency, University of Marburg, Germany; and in the Laboratory of Nutrigenomics at Tufts University in Boston, Mass. Professor Marti is a member of the Committee on Continuing Education for Health related professionals of the Navarre Government, and belongs to the Board of the College of Pharmacists. She was Vice-Dean of the Faculty of Pharmacy of the University of Navarra (2005-2010). She is an expert reviewer of research projects for the Spanish Government, European Commission (Brussels), Telethon Foundazione (Rome), Health Research Board (Ireland), Swiss National Science Foundation, and The International Bureau of the German Ministry of Education and Science Russian call. She has also worked as Editor of “Obesity Facts” and “Journal of Physiology and Biochemistry.” Concepcion M. Aguilera is Professor at the department of Biochemistry and Molecular Biology at the University of Granada in Spain. She leads the area of research on childhood obesity as member of the Research Excellence Group BIONIT. Currently is leading various projects in genetics, particularly in the evaluation of genetic and epigenetic markers and its association with obesity and prepubertal metabolic changes related to early onset of metabolic syndrome. Professor Aguilera has published more than 75 scientific articles..She has supervised 4 PhD Thesis. Currently she is the Secretary of the Institute of Nutrition and Food Technology at the University of Granada. and the Iberomerican Nutrition Foundation (FINUT), an institution supported by the International Union of Nutritional Sciences (IUNS), and Secretary of the Spanish Society of Nutrition (SEÑ).