Leda Guzman, Ph.D in Biochemistry and Molecular Biology, associate professor of the Institute of Chemistry and Head of the Biomedicine and Biocatalysis Laboratory at the Universidad Católica de Valparaiso since 2007. In 1997 she finished her Ph. D in Biological Science at the Dr. Manuel Espinosa`s laboratory (Universidad Complutense de Madrid, Spain). 1998-2000 she worked as Postdoctoral researcher with the Dr. Dietmar Pieper at the National Centre of Biotechnology, Braunschweig (Germany) and Dr. Bernardo González in the Laboratory of Microbiology at the Pontifical Catholic University of Chile. She has been developing biomarkers for the detection of cancer and development of natural antimicrobial-antitumor therapeutic agents. Currently, she is lecturer of undergraduate students of Biochemistry, graduate students of PhD programs in Chemistry and Biotechnology (PUCV -Universidad Federico Santa María). Dr. Guzmán has been advisor of more than 30 undergraduate and graduate students; she has directed a number of research projects; her research (more than 31 research articles) has been published in important research journals.