Marcelo Valencia, trained in the United States in the America University, Washington, DC, and Mexico in Aurónoma National University of Mexico (UNAM), is Research in Medical Sciences, National Institute of Psychiatry Ramon de la Feunte (INPRF). He is a member of the National System of Researchers of the National Council of Science and Technology (CONACYT), lecturer in Contemporary graduate of the Faculty of Medicine of the Universidad Iberoamericana. He has published in numerous scientific journals such as psychological Medicine, Schizophrenia Research and Treatment and Psychiatry.