Laith Sayigh is principal of the New York City-based firm DFA. He has worked at some of the world's top architecture firms, including Foster + Partners in London, Diller Scofidio and Renfro in New York, and SOM in San Francisco. DFA is known for its unconstrained approach to actualizing design concepts while respecting conventional and traditional architectural vernacular. The studio conceives of spaces that are both aspirational and accessible, unified by a common language that speaks directly to the user's requirements and imagination.