Martín Guillermo Ramírez, Bachelor of Medicine and Surgery and Master in Humanitarian Medicine has almost four decades of experience in international cooperation and relations, focusing on cross-border cooperation (CBC). He worked for youth organisations (1989-1995) and then in the Regional Government of Extremadura (Spain) in the scopes of cooperation for development, international relations, and health and welfare policies (1995-2006). Since 2006 is the Secretary General of the Association of European Border Regions (AEBR/ARFE/AGEG), one of the oldest associations of regions in Europe (founded in 1971), representing the interest of European border and cross-border regions towards EU institutions, national authorities, and other bodies, promoting capacity building, strategic development and public policies to overcome cross-border obstacles; and fostering the relationship with cross-border processes in other continents to exchange experience and best practices. He leads various EU projects fostering CBC, identifying obstacles, deploying young volunteers, and researching border-related aspects while preparing for his PhD at the Department of Geography of the University of Santiago de Compostela (Galicia, Spain).