In 1987 Oscar and Sergi Devesa founded D&D Design to work together in product design for national and international companies such as Metalarte, Disform, Blauet, Supergrif, Oken, Grober, Dessiè, Grupo Líneas TC, Seiak, Vibia, Bike-Romanes, Arkos Light, Forma 5, Ferfor and Exit Seating Barcelona.
He worked for eleven years creating product, furniture, and store interiors, first at Vignelli Associates and then at Polo Ralph Lauren. In 1998, he returned to Spain and began working as a creative director for Grupo Inditex, developing new concepts for the Zara Group’s distinctive retail environments. In 2003, Veciana formed Castel Veciana Arquitectura in collaboration with architect Jordi Castel. He began working with Metalarte shortly after that.