
Ennead Architects
Architecture FirmEst. 1963Ennead, a CannonDesign Company, is a New York-founded architecture practice (est. 1963, known as Polshek Partnership until 2010) with offices in New York, Los Angeles, and Shanghai. Known for humanist, civic-minded work in education, culture, and science — the Rose Center for Earth and Space, the Standard High Line, and the revitalized Delacorte Theater in Central Park (reopened 2025). The firm joined CannonDesign in 2026 and operates as a distinct studio retaining its own design leadership.
People at this firm
- Richard OlcottDesign Partner
- Brian MasudaPrincipal
- Chris StoddardPrincipal
- Don WeinreichPartner
- Felicia BergerPrincipal
- Francelle LimPrincipal
- Grace ChenPrincipal
- Jarrett PelletierPrincipal
- Kevin McClurkanPrincipal
- Matthew DionnePrincipal
- Melissa SarkoPrincipal
- Molly McGowanPrincipal
- Peter SchubertPrincipal
- Stephen PD ChuPrincipal
- Tomas RossantPrincipal
- V. Guy MaxwellPrincipal
Projects
Rose Center for Earth and Space, AMNH
2000Cultural · Upper West Side, Manhattan
The glass cube and sphere that modernized the museum.
The Standard, High Line
2009Hospitality · Meatpacking District, Manhattan
Awards & press
TIME Names Ennead One of the 10 Most Influential Design and Build Companies of 2026
TIME · 2026
Ennead Projects Recognized by Architecture Masterprize
Architecture Masterprize
The Delacorte Theater Recognized by AIA New York State
AIA New York State
Ennead Projects Recognized by AIA Philadelphia
AIA Philadelphia
Edelman Fossil Park & Museum Recognized by AIA New Jersey
AIA New Jersey
Ennead Projects Recognized by Chicago Athenaeum
Chicago Athenaeum
Edelman Fossil Park & Museum awarded Gold Certificate in Grands Prix du Design
Grands Prix du Design
Jefferson Health Honickman Center recognized by Healthcare Design Awards
Healthcare Design Awards










