Jesús Ayuso, PhD, works in the Department of Physical Chemistry, University of Cadiz, Spain. He graduated in chemistry (1987), before obtaining a PhD in chemistry (1995) from UCA (special honors). He was an associate professor from 1987 and an assistant professor from 2004 Univ. Cadiz. He has over 20 publications in national and international journals, and he has participated in 50 national and international meetings and talks in symposia, courses, etc. in three countries. He is a researcher in spectroscopy and quantum chemistry, focusing on the applications of spectroscopy to biological molecules, applications of spectroscopy to the determination of quality in food, and developments of chemometric methods and applications to food and other complex systems. He is also a researcher in criminalistics methods for fire debris and occupational health risks.