Professor of Biological Chemistry, Universidad Nacional Autonoma de Mexico (UNAM). PhD in Chemistry awarded from University of Granada (Spain) 1995. BSc in Chemistry awarded from Autonomous University of Puebla (Mexico), 1990. Author of more than 70 International Publications. 4 Books and 10 Chapters of Book. President of the International Organization for Biological Crystallization (IOBCr) Member of the Mexican Academy of Sciences, New York Academy of Sciences, American and Mexican Chemical Societies.