Ennead Architects
From Wikipedia, the free encyclopedia
Ennead Architects LLP (/ˈenēˌad/) is a New York City-based architectural firm. The firm was founded in 1963 by James Polshek, who left the firm in 2005 when it was known as Polshek Partnership.[1] The firm's partners renamed their practice in mid-2010.[2][1]
Company typePrivate
IndustryArchitecture
PredecessorNew York City, U.S. ("Ennead Architects", 2010-present; "Polshek Partnership", 1998-2010; "Polshek and Partners", 1994-1998; "James Stewart Polshek and Partners", 1980-1994; "James Stewart Polshek and Associates", 1970-1980; "James Stewart Polshek, Architect", 1963-1970)
FounderJoseph Fleischer, Timothy Hartung, Duncan Hazard, Guy Maxwell, Kevin McClurkan, Richard Olcott, Susan Rodriguez, Tomas Rossant, Todd Schliemann, Don Weinreich, Thomas Wong
| Company type | Private |
|---|---|
| Industry | Architecture |
| Predecessor | New York City, U.S. ("Ennead Architects", 2010-present; "Polshek Partnership", 1998-2010; "Polshek and Partners", 1994-1998; "James Stewart Polshek and Partners", 1980-1994; "James Stewart Polshek and Associates", 1970-1980; "James Stewart Polshek, Architect", 1963-1970) |
| Founder | Joseph Fleischer, Timothy Hartung, Duncan Hazard, Guy Maxwell, Kevin McClurkan, Richard Olcott, Susan Rodriguez, Tomas Rossant, Todd Schliemann, Don Weinreich, Thomas Wong |
| Headquarters | New York City , U.S. |
| Services | Architecture Master Planning Historic Preservation Interior Design |
Number of employees | 240 |
| Website | http://www.ennead.com/ |
Project examples



- Johns Hopkins University, Bloomberg Center, Washington D.C. (2023)[3]
- Shanghai Planetarium, Shanghai, China (2020)[4]
- University of Michigan, Biological Science Building, Ann Arbor, MI (2019)[5]
- Peabody Essex Museum Expansion and Renovation, Salem, MA (2019)[6]
- Anderson Collection at Stanford University, Stanford, CA (2014)[7]
- National Museum of American Jewish History, Philadelphia, PA (2010)[8]
- Brooklyn Museum, Elizabeth A. Sackler Center for Feminist Art, Brooklyn, NY (2007)[9]
- Carnegie Hall, Zankel Hall, New York, NY (2003)[10][11]
- The University of Texas at Austin, McCombs School of Business, Robert B. Rowling Hall, Austin, TX (2018)[12]

- Kansas State University, College of Architecture, Planning and Design, Manhattan, KS (2017)[14]
- Massachusetts College of Art and Design, Design and Media Center, Boston, MA (2016)[15]
- Syracuse University, S.I. Newhouse School of Public Communications, Syracuse, NY (2007)[16]
- Stanford University, ChEM-H (Chemistry, Engineering & Medicine for Human Health) and the Wu Tsai Neurosciences Institute, Stanford, CA (2020)[17]
- University of Oregon, Knight Campus for Accelerating Scientific Impact, Eugene, OR (2020)[18]