Ennead Architects LLP is a New York City-based architectural firm. Previously known as Polshek Partnership, the firm's partners renamed their practice in mid-2010.
The 175-person[2] firm offers architecture, master planning, historic preservation and interior design services. The majority of the firm’s work is for cultural, educational, governmental, and scientific not-for-profit institutions.
The firm is presently led by twelve Partners: Timothy P. Hartung, Duncan Hazard, V. Guy Maxwell, Kevin McClurkan, Molly McGowan, Richard Olcott, Susan T. Rodriguez, Tomas Rossant, Todd Schliemann, Peter Schubert, Don Weinreich, and Thomas Wong, with the founder of the original Polshek Partnership James Polshek holding the title of Design Counsel and remaining actively involved on select projects.
The Partners established Ennead Architects International LLP in 2012, expanding the studio's geographical reach. In 2014, the firm established a Shanghai office.