1977 they begin to work together and in 1986 they create an office located in Midtown Manhattan.
His studio has worked for institutions, such as schools, museums, and non-profit organizations.
They believe that architecture is the union of art and use.
Its buildings are meticulously made from the inside out to be functional.
A sense of integration, light, texture, detail and experience are in what they design.
From the sketches to the end of the project, they are personally involved.
During the last three decades they have received more than two dozen awards from the American Institute of Architects, as well as numerous national and international appointments.
Outside of the studio, they are active participants in the cultural community and have long-standing partnerships with many arts organizations.
Parallel to their professional practice, they maintain active academic careers and conferences around the world.
As educators and professionals, they are deeply committed to making a better world through architecture.
Tod Williams (born 1943, Detroit, Michigan, USA) received his BA, MFA, and MA in architecture from Princeton University, New Jersey after graduating from Cranbrook School in Bloomfield Hills.
He is a member of the American Academy of Rome and is a member of the Cranbrook educational community.
He is admitted to the American Academy of Arts and Letters, the National Academy, and the American Academy of Arts and Sciences.
Billie Tsien (born 1949, Ithaca, New York) received her Bachelor of Fine Arts from Yale University and her Master of Architecture from UCLA.
He has worked with Williams since 1977 and they have been in partnership since 1986.
Tsien is currently President of the New York League of Architecture and Director of the Public Art Fund.
He is a member of the American Academy of Arts and Letters, the National Academy, and the American Academy of Arts and Sciences.
Tsien is one of the winners of the Visionary Woman Awards presented by the Moore College of Art and Design in 2009.
They have taught at Cooper Union, Harvard University, Cornell University, the University of Texas, the City College of New York, and Yale University.
Williams and Tsien are winners of more than two dozen awards from the American Institute of Architects.
2014 received an International Scholarship from the Royal Institute of British Architects and the 2013 Firm of the Year Award from the American Institute of Architects.
2013, each receives a National Medal of Arts from President Obama.
They also receive the Brunner Award from the American Academy of Arts and Letters, the AIA New York Medal of Honor, the Cooper-Hewitt National Design Award, the Thomas Jefferson Medal in Architecture, the Brendan Gill Award from the Municipal Society of Art and the Chrysler Design Innovation Awar.