Marita is an expert on Roman Law, Latin Philology, Epigraphy and Papyrology. She is Professor in the Faculty of Law at the Autonomous University of Barcelona where she teaches courses on Animal Law, Comparative Law and Global Law. She is the Director of the Postgraduate Programme: 'Animals, Law and Society', is the Director of the Research Group Animales, Derecho y Sociedad and runs the web page www.derechoanimal.info. She is Founder of the European Group of Animal Law Studies (EGALS).