Caroline O'Donnell is an architect, writer, and educator. She is the sole principal of CODA, whose recent work includes Party Wall, an installation for the MoMA/PS1's Young Architects' Program in 2013, Urchin, a temporary theater for the Cornell Council for the Arts Biennial in 2016; and Tripe, a little library in Buffalo in 2018. CODA's work focuses on ecological thinking, contextual responsiveness, and material misuse. O'Donnell also collaborates with Martin Miller in the practice OMG with projects such as Primitive Hut, a decomposing pavilion in 2017, and Evita, a tower using leftovers, in 2018, both at Art OMI.
O'Donnell is the Edgar A. Tafel Associate Professor and director of the M.Arch. program at Cornell University. O'Donnell's first book, Niche Tactics: Generative Relationships between Architecture and Site, was published in April 2015. She is the former editor of the Cornell Journal of Architecture and former founding editor of Pidgin magazine.
O'Donnell was born in Athlone, Ireland, and raised there and in Derry, Northern Ireland. She received her B.Arch. from the Manchester School of Architecture, England; and her M.Arch. from Princeton University. O'Donnell has previously taught at the Irwin S. Chanin School of Architecture at The Cooper Union and worked at KCAP Architects and Planners in Rotterdam, Netherlands, and at Eisenman Architects in New York City.