KEFFER STUDIO

Keffer Studio works across architecture and interior design, using a hospitality lens to create world-class hotels, destination resorts, signature restaurants, and branded residences globally.

The firm specializes in merging luxury design practices with contemporary lifestyle needs, developing enduring environments driven by craftsmanship and an understanding of how people live, travel, and gather today.

Grounded in the belief that thoughtful design shapes experience, each project begins with extensive research and a commitment to place. Through ongoing collaboration with clients, operators, and creative partners, the studio aligns architecture and interiors to create environments of depth, clarity, and distinct character. The result is design that extends beyond visual impact. Spaces created not only to be seen, but to be experienced and remembered.

Contact
245 West 29th St, 17th Floor
New York, NY 10001

212 259 4400

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projects@kefferstudio.com

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studio@kefferstudio.com

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Greg Keffer is an architect and founder of Keffer Studio with more than three decades of multidisciplinary design leadership.

Before establishing his studio, Greg was a Partner at Rockwell Group, where he led international design teams for some of the world’s most recognized hospitality brands, including Equinox Hotels, Raffles, St. Regis, The Ritz-Carlton, and Edition Hotels. He also played a central role in the global repositioning of the W Hotels brand, translating that vision into built form with the landmark opening of W Union Square. Greg’s work in hospitality extends deeply into the culinary world. His collaborations with chefs José Andrés, Nobu Matsuhisa, Andrew Carmellini, and restaurateur Danny Meyer have helped shape some of the most celebrated dining experiences of the past decade.

Greg has received international recognition for his projects, including HD, AHEAD, and Gold Key Awards, a James Beard Award nomination, and editorial coverage in Architectural Digest, Wallpaper*, and Dezeen, among others.

© Keffer Studio 2026