Margarita Pérez Pulido is a Professor at the University of Extremadura in Spain. She has a PhD in Documentation from the University of Salamanca, Spain, and over 20 years of experience as a teacher at the University of Extremadura and more than 12 years of experience as a professional in libraries and documentation services. She has conducted professional work for the Government of Extremadura and was the Director of the Documentation Service. Margarita has published three handbooks on librarianship and library management, and planning, and numerous articles on information ethics in national and international professional journals.