Valdés is the official geographer of the National Geographic Society. He guides and assists the Map Policy Committee in setting border representations, disputed territories and naming conventions. He also serves as the director of editorial and research for National Geographic Maps, where his prime responsibility is to ensure accuracy and consistency for all maps and map products. Valdés, a child refugee from Cuba, relates how he became the cartographer of the National Geographic Society and produced its first map of Cuba in over 100 years.