David J. Lewis is founding principal of LTL Architects, a design intensive architecture firm founded in 1997 with Paul Lewis and Marc Tsurumaki, located in New York City. LTL Architects realizes inventive solutions that turn the very constraints of each project into the design trajectory, exploring opportunistic overlaps between space, program, form, budget and materials.  The principals are co-authors of the only book on the architectural section, Manual of Section (Princeton Architectural Press, 2016), monographs, Intensities (Princeton Architectural Press, 2013), Opportunistic Architecture (Princeton Architectural Press, 2008) and Situation Normal….Pamphlet Architecture #21 (Princeton Architectural Press, 1998). The work of LTL Architects is in the permanent collections of the Museum of Modern Art, the San Francisco Museum of Modern Art and the Carnegie Museum of Art. David J. Lewis holds academic positions as Associate Professor at Parsons School of Design and Adjunct Professor of Architecture at the University of Limerick, Ireland.  David is a member of the Advisory Council of the College of Architecture, Art and Planning at Cornell University.   He received his Master of Architecture from Princeton University, a Master of Arts in the History of Architecture and Urbanism from Cornell University, and a Bachelor of Arts from Carleton College.