Marcos earned a bachelor’s degree in 2000 and completed his doctoral studies in Geography from the Autonomous University of Barcelona.

Marcos’ principal areas of knowledge are hydrological policy and legislation, local water planning, territorial stewardship, and conservation of hydrological resources. He has various skills in his toolbox including research, conducting trainings, and the fortification both technically and organizationally of institutions and their networks.

Towards the end of Marcos’ doctoral work, he worked with the Mediterranean Program of the WWF to build capacity within environmental organizations in the region. He then continued with a project of the City Council of Barcelona to promote the management of organic waste, before working as the Territorial Custodian of Xarxa where his function was to disseminate and train land stewardship techniques. He then joined Greenpeace, where he was responsible for a campaign working to encourage municipalities to buy sustainable wood and paper. In 2005, he worked in the industrial ecology field in India. He then moved to El Salvador, where he worked from 2006 to 2012 in national and local hydrology policy first with the UNES and then with Engineers Without Borders. In August of 2012 he became part of the Secretariat of the Alliance for Water, where he continues to promote capacity building and the organization of actors working with water at the regional level while serving as the Central American Coordinator.

Between June 2014 and December 2017, he functioned as the Coordinator of Cosecha Azul (Blue Harvest), with CRS-El Salvador. This initiative supports municipalities and local actors in water governance while at the same time promoting productive and resilient agricultural practices in important hydrological recharge areas. Since January 2018, he has coordinated the RAICES project, as part of the ResCA program of The Nature Conservancy in Central America.

In 2005, he authored the “Local Water Guide”, which is a manual that was distributed to all of the cities of Catalonia with funding from the Pi I Sunyer Foundation. In 2012, he authored the “The Participatory Planning in Water and Sanitation Guide,” which was promoted by the Water Alliances of cities and towns in central America. He has also edited proposals, ordinances, and laws for water management and territorial arrangements.