Winy Maas studied landscape architecture at the RHSTL Boskoop from 1978-1983. From 1984-1990, he studied at the Technical University of Delft and graduated with honors as an architect and urban planner.
As an architect, Maas has worked as an architect for many companies and firms including Bureau Bakker, D.R.O., Kuiper Compagnons, the United Nations Educational, Scientific and Cultural Organization (UNESCO), DHV and OMA.
In 1991, he and two collaborators, Jacob van Rijs and Nathalie de Vries, won first prize in the Berlin Europan Competition and began MVRDV. The firm is located in Rotterdam.