In 2011 in partnership with Katherine Faulkner, Tehrani founded NADAAA, a practice dedicated to the advancement of design innovation, interdisciplinary collaboration, and an intensive dialogue with the construction industry.

[6][7] He previously founded Office dA in 1986 with Rodolphe el-Khoury, later being joined by Mónica Ponce de León in 1991.

Nader Tehrani was selected as the recipient of the 2020 Arnold W. Brunner Memorial Prize, an award which is given "to an architect of any nationality who has made a significant contribution to architecture as an art.

His work is also part of the permanent collection of the Nasher Sculpture Center in Dallas and the Canadian Centre for Architecture in Montreal.

He wrote "The Timeless Anachronism of Type" for Obra Architects Logic, 2016 and "Control, Realized" for The Architecture of WOJR.

His work has also been internationally reviewed and published in periodicals such as Architect, Architectural Record, Icon, Wallpaper, Monitor, The Plan, Abitare, Mark, Frame', I.D., Contract, Archiworld, the Boston Globe, the Wall Street Journal, and the New York Times, among others.