As developers increasingly bring on international architecture stars to design their projects, another firm often works with them behind the scenes. Those firms, which assume the role of “executive architect,” are often more familiar with the city’s zoning and construction codes and help starchitects with everything from filing paperwork to designing floorplates.
Related: Who’s designing NYC’s skyline?
Here, for some of the high-profile buildings that were filed during the development boom, are the design and executive architects that teamed up on each of them:

520 Park Avenue
520 Park Avenue
Design: Robert A.M. Stern Architects
Executive: SLCE Architects

53 West 53rd Street
53 West 53rd Street
Design: Jean Nouvel
Executive: Adamson Associates

One Hudson Yards
One Hudson Yards
Design: Davis Brody Bond
Executive: Ismael Leyva

100 East 53rd Street
100 East 53rd Street
Design: Foster + Partners
Executive: SLCE Architects

400 Park Avenue South
400 Park Avenue South
Design: Christian de Portzamparc
Executive: Handel Architects

15 Hudson Yards
15 Hudson Yards
Design: Diller Scofidio + Renfro; Rockwell Group
Executive: Ismael Leyva

Central Park Tower
Central Park Tower
Design: Adrian Smith + Gordon Gill Architecture and James Carpenter Design Associates
Executive: Adamson Associates

Brooklyn Point
Brooklyn Point
Design: Kohn Pedersen Fox Associates
Executive: SLCE Architects

The Spiral
509 West 34th Street (The Spiral)
Design: Bjarke Ingels Group
Executive: Adamson Associate Architects