Museums and Libraries:
          The Brooklyn Public Library since 2003
          The New York Public Library Since 2005
          The Pierpont Morgan Library since 1995
          The Frick Collection and Art Reference Library since 1992
          The New York Botanical Gardens Library Building since 2002
          The New York Historical Society and Reference Library since 2000
          Wesleyan University – Olin Library (Consulting)
          The Brooklyn Museum
          The Cloisters
          The Metropolitan Museum of Art
          The Rubin Museum of Art
          The Italian Cultural Institute
          The Wildlife Conservation Society (NY Aquarium)
          The Whitney Museum of American Art
          Henry Morrison Flagler museum (Consulting)
          Weir Farm (Consulting)
          Olana (Consulting)
          Chicago Historical Society (Consulting)

Education:
          St. Thomas Choir School
          City and Country School
          Manhattan Country School
          Fordham University
          OWN Charter School (Consulting)
          Barnard College
          The Fashion Institute of Technology
          Bard Graduate Center
          Center for Collaborative Education (Consulting)
          St. Jerome School   

Performing Arts:
          The Flea Theater
          The Joseph Papp Public Theater (since 1999)
          Brooklyn Academy of Music
          New York City Center (since 2004)
          The New York State Theater
          Dixon Place
          Collins Hall Theater (Fordham University) 

Corporate:
          
17 W 17th St Owner’s Corp
          33 Rector Street Owner’s Corp
          Cello Music and Film Systems since 1997
          Dow Jones & Company Headquarters since 1995
          Pfizer, Inc World Headquarters
          Philip Morris & Company World Headquarters
          Work.com
          Prism Communications since 1997
          Corecomm
          Envirosell Headquarters
          Intrigue Music

Healthcare:
          
Memorial Sloan-Kettering Cancer Center
          Boriken Neighborhood Health Center (Art 28)
          Planned Parenthood of New York (Art 28)
          Richmond University Medical Center (pro-bono)
          Robert B. Jetter, M.D., PLLC

Hospitality:
          The Pierre Hotel (Consulting)     

Ecclesiastical:
          Congregation B'nai Jeshurun since 1996
          The Church of St. Thomas since 2000
          Saint Jerome
          Beth Olam
          Annunciation Greek Orthodox Church (Consulting)

Retail:
          Liz Lang Maternity Flagship
          Fragments Jewelry
          Kaplan Diamond Exchange
          NYHS Store
          Gianni Campagna @ Cello
          Nao Salon and Spa
          Richard Leeds International

Social Service:
          The Police Athletic League

United States Government:
          United States Court of Appeals for the Second Circuit
          United States District Court for the Southern District of New York
          The Federal Reserve Bank of New York

Developers:
          
Magnum
          Royalton Capital
          Urban American
          Lubert Adler
          Urban Mews
          Goldman Properties
          Ceebraid-Signal 601 West 26th Street
          Ginsburg Development Corporation
          Greenpoint Manufacturing and Design Center

Foreign Government:
          
The Italian Cultural Institute