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Ennead Architects LLP (/ˈenēˌad/) is a New York City-based architectural firm. Previously known as Polshek Partnership, the firm's partners renamed their practice in mid-2010.[1]

Ennead Architects LLP
Limited liability partnership
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
New York City
Master Planning
Historic Preservation
Interior Design
Number of employees

The 191-person[2] firm offers architecture, master planning, historic preservation and interior design services. The firm’s work is for cultural, educational, commercial, governmental, laboratory, healthcare, and scientific not-for-profit institutions.

The firm is presently led by ten[3] Partners: Timothy P. Hartung, V. Guy Maxwell, Kevin McClurkan, Molly McGowan, Richard Olcott, Tomas Rossant, Todd Schliemann, Peter Schubert, Don Weinreich, and Thomas Wong.

The firm is a member of the United States Green Building Council, and twenty-five percent of registered architects on staff are LEED Accredited Professionals.[4]


Notable projectsEdit

Rose Center for Earth and Space, New York


Performing artsEdit


UT at Austin EERC

Laboratories / HealthcareEdit


Industry / InfrastructureEdit

Commercial, Mixed Use, and ResidentialEdit

Urban Design, Programming, and Master PlanningEdit

  • Lingang Pujiang Oriental Smart Media City Urban Design, Shanghai, China (2019)
  • Shanghai Lingang Boashan Nanda Area Master Plan, Shanghai, China (2019)
  • Lingang Bao Steel Wusong Pilot District Master Plan, Shanghai, China (2019)
  • Caohejing Kangqiao Business Oasis Park Phase III Master Plan, Shanghai, China (2019)
  • Taopu Smart City East Extended Area Urban Design, Shanghai, China (2018)
  • Caohejing Development Zone Pujiang Park Science & Creation Corridor Urban Design, Shanghai, China (2017)
  • Shenzhen Guangming Tian An Cloud Park Urban Design, Shenzhen, China (2016)
  • Taopu Smart City Master Plan, Shanghai, China (2014) [1]
  • Lingang Innovation and Entrepreneurship Belt Urban Design, Shanghai, China (2014)
  • The Walters Art Museum, Facilities Master Plan, Baltimore, MD (2010)
  • Cornell University Comprehensive Campus Master Plan, Ithaca, NY (2008)
  • Barnes Foundation, Programming and Site Analysis, Philadelphia, PA (2006)
  • Brooklyn Museum Master Plan, Brooklyn, NY (1987)
  • Carnegie Hall Master Plan, New York, NY (1980)

Design AwardsEdit

Firm AwardsEdit

  • Medal of Honor, AIA/New York Chapter (2012)
  • Cooper-Hewitt National Design Award (2004)
  • President’s Award, AIA/New York Chapter (2003)
  • AIA Architecture Firm Award (1992)

American Institute of Architects National Honor Awards for Design ExcellenceEdit

  • The Standard, New York, New York, NY (2012)
  • Yale University Art Gallery Kahn Building Renovation, New Haven, CT (2010)
  • University of Michigan Biomedical Science Research Building, Ann Arbor, MI (2007)
  • William J. Clinton Presidential Center, Little Rock, AR (2006)
  • American Museum of Natural History, Rose Center for Earth and Space, New York, NY (2002)
  • The New York Times Printing Plant, Queens, NY (2001)
  • Queens Borough Public Library, Flushing Regional Branch, Queens, NY (2001)
  • Mashantucket Pequot Museum and Research Center, Mashantucket, CT (2000)
  • National Inventors Hall of Fame, Akron, OH (1999)
  • Center for the Arts Theater at Yerba Buena Gardens, San Francisco, CA (1994)
  • Seamen’s Church Institute, New York, NY (1993)
  • Carnegie Hall, New York, NY (1988)
  • 500 Park Tower, New York, NY (1986)
  • New York State Bar Center, Albany, NY (1972)


  1. ^ Bernstein, Fred A. (June 24, 2010). "Polshek Partnership Changes Firm Name to Ennead Architects". Architect. Hanley Wood, LLC. Retrieved May 29, 2011.
  2. ^ "Ennead Architects - Profile".
  3. ^ "Ennead Architects - People".
  4. ^ "Ennead Architects - People".
  5. ^
  6. ^ "Stellar design for largestplanetarium in the world". 2018-12-07. Retrieved 2019-08-01.
  7. ^ Design, Schema (2019-08-01). "University of Michigan Biological Science Building: Press…". Retrieved 2019-08-01.
  8. ^ Nast, Condé. "The Peabody Essex Museum Prepares to Unveil a Thoughtfully Designed 40,000-Square-Foot Expansion". Architectural Digest. Retrieved 2019-08-01.
  9. ^ "The Anderson Collection: Art in the Heart of Silicon Valley". Whitewall. 2018-10-19. Retrieved 2019-08-01.
  10. ^ Kelly, Joseph Dennis (2008-01-22), "Jewish-American Museum Rising in Philly", Architectural Record, archived from the original on 2008-02-05 Cite uses deprecated parameter |deadurl= (help)
  11. ^ Muschamp, Herbert (2000-09-20), "CRITIC'S NOTEBOOK; A Modern Embellishment Seeks Harmony With a Beaux-Arts Jewel", The New York Times
  12. ^ Design, Schema (2019-07-31). "Oriental Smart Media City". Retrieved 2019-08-01.
  13. ^ Chinen, Nate (2015-02-04). "Jazz at Lincoln Center to Redesign Rose Hall Atrium". ArtsBeat. Retrieved 2019-08-01.
  14. ^ Cosgrove, Anne (2017-10-02). "LEED Case Study: The Show Will Go On". Facility Executive - Creating Intelligent Buildings. Retrieved 2019-08-01.
  15. ^ Dunlap, David W. (2000-01-30), "Carnegie Hall Grows the Only Way It Can; Burrowing Into Bedrock, Crews Carve Out a New Auditorium", The New York Times
  16. ^ Muschamp, Herbert T. (2003-09-12), "ARCHITECTURE REVIEW; Zankel Hall, Carnegie's Buried Treasure", The New York Times
  17. ^ "New UT business school building blends light, space, collaboration". Austin American-Statesman. Retrieved 2019-08-01.
  18. ^ "Kansas State University - College of Architecture, Planning and Design / Ennead Architects + BNIM". ArchDaily. 2018-10-23. Retrieved 2019-08-01.
  19. ^ "MassArt Opens New Design and Media Center". Boston Magazine. 2016-01-25. Retrieved 2019-08-01.
  20. ^ Gendall, John (2008-02-01), "New News is Good News",[permanent dead link]
  21. ^ News, Stanford. "'Topping out' new life sciences building | The Dish". Retrieved 2019-08-01.
  22. ^ Retrieved 2019-08-01. Missing or empty |title= (help)
  23. ^ "Ennead Architects Design Huawei Research Center in Wuhan, China". ArchDaily. 2015-11-20. Retrieved 2019-08-09.
  24. ^ Plitt, Amy (2017-06-22). "First look at The Lane, the next addition to Downtown Brooklyn's rental surge". Curbed NY. Retrieved 2019-08-01.

External linksEdit

  Media related to Polshek Partnership at Wikimedia Commons