Tourism has been consolidated as one of the most relevant sectors from the economic and social point of view, not only in Spain but also worldwide. In the context of disciplines of a social nature, tourism is an interdisciplinary object of knowledge that covers a wide range of activities carried out by private companies and public institutions, with an impact on the lives of people, both residents and visitors. This doctoral program brings together two singularities that make it especially attractive: the participation of 12 Spanish universities with extensive experience in tourism studies, creating synergies and stimuli for the student body; and the interdisciplinary nature with the active involvement of numerous areas of knowledge that contribute to enriching the Program through a wide range of lines of research.

The Doctorate Program in Veterinary Medicine and Health comes from the update of that first Doctorate Program at the Lugo Campus called Introduction to Research in Animal Pathology (1989) to the different state and regional legislation on doctoral studies, and that Its fundamental purpose was to train doctors who could develop the highest academic, administrative and professional positions; This statement is confirmed by the excellent curricula of the doctoral students who graduated from our Department.

This is a program marked by multidisciplinarity in terms of teacher and student qualifications since it involves researchers from four different departments of the University of Santiago de Compostela (Plant Production, Soil Science and Agricultural Chemistry, Plant Physiology and Botany), four research centers (Centro de Investigaciones Forestales de Lourizán, Estación Fitopatológica de Arenero, Centro de Investigaciones Agrarias de Mabegondo and Misión Biológica de Galicia) and international institutions (Germany, Switzerland, United States, Portugal and Greece), University of Extremadura and two centers of the University of A Coruña (Institute of Geology and Faculty of Sciences) which offers the student a wide range to choose the subject related to agricultural and forestry production in Galicia and the Atlantic biogeographic region of Europe.

The Doctorate Program in Mathematics, associated with the "Campus Vida" of International Excellence of the USC, and with a quality mention obtained in 2008, has a long history at this University. The doctors trained in it created research groups that attended and successfully attend regional, national and European calls for funding and their publications achieved and continue to achieve levels of high quality and impact.

The science and optical technology of lasers, photonics and vision is a field of knowledge whose objective is the study of the generation, transmission, detection, control and manipulation of light. This study is oriented to the development of technologies with applications of high interest in multiple and disparate socioeconomic and health fields, ranging from telecommunications, life and health sciences, the environment, industrial metrology, leisure ... Up to scientific-technical frontiers such as nano-optics, quantum processing and communications, optical metamaterials, etc.

This doctoral program offers a space for advanced training in the field of studies on demographic aging and longevity through the scientific perspective of the Social Sciences. In this sense, it is configured as a cycle of studies that aggregates different disciplinary areas, seeking to capitalize on their similarities, but also their differences, in an approach focused on complementarities, which are assumed to be fundamental for understanding a multidimensional phenomenon such as demographic aging and longevity.

The implementation of a Doctorate program in Psychology arises as a proposal of the Department of Social, Basic and Methodological Psychology of the USC to the need to have a mechanism for the training of PhDs in Social and Behavioral Sciences within the Galician University System.

The Political Marketing Doctorate Program, Actors and Institutions in Contemporary Societies is inserted in the field of research in Political Science, Public Administration and Sociology, presenting the doctoral student with a research scenario from the construction of critical thinking as well as discussion , empirical and theoretical deepening in key social and political problems, the formulation of relevant research questions and identification of knowledge gaps in the field of political and social sciences.

The aim of this program is to address in an interdisciplinary way, on the one hand basic research on cultural theory, and on the other, sociocultural research applied to contemporary globality, among which the relationships between memories, landscapes, migrations, identities, rights stand out. human, cultural creations and movements, these issues being approached from interdisciplinary perspectives that bring together researchers from the fields: Social and Cultural Anthropology, Political Science, Literary Studies, Philosophy, Human Geography, History, History of the Arts, Linguistics and Sociology.

The Doctoral Program in Basic and Applied Research in Veterinary Sciences, proposes advanced and specialized training in the body of conceptual, procedural and technical knowledge that allows adequate development in the field of biomedical sciences. This Program is characterized by its interdisciplinarity, covering basic, applied and clinical areas. It has the participation of different research groups that develop their activity in the Faculty of Veterinary Medicine.

The teachings of the Doctorate of Environment and Natural Resources at USC has a long history with more than 30 years of experience in postgraduate courses and doctoral program.

This doctoral program aims to provide the society of specialist professionals in rural areas and civil engineering with an adequate ability to diagnose existing problems and with knowledge to solve them from applied research typical of the field of Engineering, with special emphasis on in research, development and transfer of results. This degree provides a response to a growing demand from applied professionals and researchers, since it is intended to provide students with advanced and quality scientific and technological training, thus contributing to rural and civil development.

This doctoral program aims to offer training and thesis of excellence in the fields of Work and Organization Psychology, Legal and Forensic Psychology and Consumer and User Psychology. Research and innovation constitute the basis for the development of this incipient area, providing researchers with specialized training with magnificent professional perspectives.