Guallart is a Spanish urbanist. He was the Chief Architect of Barcelona City Council between 2011 and 2015. Guallart is the co-founder of the Institute for Advanced Architecture of Catalonia (IAAC), Head of the Shukhov Lab innovative laboratory for prototyping future cities and the international master's program ""City and Technologies: Prototyping Future Cities"" at the HSE Graduate School of Urbanism (Moscow).
At the moment Guallart is working on a strategic development project for an artificial island in Haikou, China. Chief Architect of the Barcelona City Council (2011–2015), Guallart was in charge of the development of the city's strategic vision and promotion of large city projects. Guallart served as President of the Committee for Quality in Architecture and was responsible for creating the city's design codes. Guallart has been involved in more than 400 projects in Barcelona and presented “Barcelona 5.0”, a new model of urban development. Guallart has also been the head of Urban Habitat, an office that specialises in solving issues relating to environment, infrastructure, urban planning and information technology.
From 2001 to 2011, he was the director of the Master's Program of Advanced Architecture at the Institute for Advanced Architecture of Catalonia, co-organized with the UPC. Guallart was concerned with scientific and research projects in digital production and the Internet of things in collaboration with MIT's CBA and created Fab Lab, the first production laboratory in Europe.
Guallart was among the first who started researching and working with the connection between architecture, nature and technology in the creation of new city models in the information society. From 1994 until 2011, he led the architecture bureau Guallart Architects, participated in the development of planning solutions, architecture and landscape design projects in Spain, Taiwan, China, Costa Rica and France.
Guallart is the author of books "Geologics" and "Self-Sufficient City", co-author of the Metapolis dictionary of Advanced Architecture. The projects of Vicente Guallart have been exhibited at the Venice Biennale, the Museum of Modern Art and the American Institute of Architecture in Washington.