Winy Maas Prof. Ir. Ing FRIBA HAIA (1959, Schijndel, The Netherlands) is an architect, urban designer and landscape architect and one of the co-founding directors of the globally operating architecture and urban planning firm MVRDV, based in Rotterdam, Netherlands, known for projects such as the Expo 2000, the vision for greater Paris, Grand Paris Plus Petit, and more recently the Market Hall in Rotterdam. He is furthermore professor at and director of The Why Factory, a research institute for the future city, he founded in 2008 at TU Delft. He is currently Visiting Professor at IIT Chicago, the Catholic University of Louvain, Belgium and the University of Hong Kong, and has been at ETH Zurich, Berlage Institute, MIT, Ohio State and Yale University. In addition, he designs stage sets, objects and was a curator of Indesem 2007. He curates exhibitions, lectures throughout the world and takes part in international juries.

In 2013 Winy Maas joined the Economic Development Board of Rotterdam (EDBR). In 2012 he was appointed urban supervisor for the city of Almere and since 2003 he has been supervising the Bjørvika urban development in Oslo. With both MVRDV and The Why Factory he has published a series of research projects.