Atelier AM An air of disciplined glamour, steeped in the past yet perfectly attuned to the present, pervades the work of designer Alexandra Misczynski and her husband, Michael. Los Angeles; atelieramom

Bunny Williams Inc. Blue-blooded rooms layered with deep-dish comforts and invigorating juxtapositions of old and new are the hallmark of decorating grande dame Bunny Williams. New York; bunnywilliamom

Carrier and Company Interiors Mara Miller and her husband, Jesse Carrier, devise welcoming, superstylish spaces, nimbly mixing antiques of all eras with cozy, contemporary upholstered pieces. New York; carrierandcompanom

Commune Pamela Shamshiri works with her firm partners, Roman Alonso and Steven Johanknecht, to bring a hip, artisanal ethos to diverse interiors as well as to their numerous product-design collaborations. Los Angeles; communedesignom

Cullman & Kravis Inc. A longtime luminary of the decorating world, Elissa Cullman builds subtly glamorous spaces from a foundation of classic style. New York; cullmankraviom

Deborah Berke Partners Soon to become the dean of the Yale School of Architecture, Deborah Berke has built her name creating restrained, confident spaces, from private homes to large-scale commercial conversions. New York; dberkeom

Emily Summers Design Associates Compositions that blend sculptural 20th- and 21st-century furnishings with high-impact contemporary art are the specialty of Emily Summers, who describes her style as “modern and inviting.” Dallas and New York; emilysummerom

Gomez Associates Inc. Simplicity, Mariette Himes Gomez says, is at the heart of her design approach, which she honed during early stints at Parish-Hadley and the office of architect Edward Durell Stone. Today she works with her daughter, Brooke, to conceive smart, gracious interiors that blur the line between traditional and modern. New York; gomezassociateom

Isabel López-Quesada Svelte, unpretentious spaces animated by contemporary art, beguiling textures, and offbeat accents have made Isabel López-Quesada a cult favorite. Madrid; isabellopezquesadaom

Jan Showers & Associates Inc . Light bounces gleefully through the rooms of Jan Showers, who has a penchant for sculptural mirrors, Venetian-glass chandeliers, and smartly tailored metal furniture. Dallas; janshowerom

Kelly Wearstler With a high-wattage take on West Coast glamour that’s all her own, Kelly Wearstler has built a buzzy lifestyle empire encompassing lines of furniture, lighting, and home goods. Her rooms mix swagger and sparkle with serious sophistication. Los Angeles; kellywearstlerom

MAC II Rigor meets luxury in Romanian-born Mica Ertegun’s cultivated, cerebral spaces. New York; maciidesignom

Madeline Stuart & Associates Pitch-perfect and deftly composed, Madeline Stuart’s layered interiors are firmly grounded in great design fundamentals—scale, proportion, balance, and, above all, beauty. Los Angeles; madelinestuarom

Mark Hampton LLC Trained by the best—i her late decorator father, Mark Hampton—firm owner Alexa Hampton devises traditional rooms shot through with felicitous flair. New York; markhamptonom

McAlpine At this multicity architecture-and-interiors company, designer Susan Ferrier, firm founder Bobby McAlpine, and their five other partners employ elemental materials like stone and wood to create idiosyncratic, beautifully crafted houses with poetic layouts and soulful decor. Atlanta; Montgomery, Alabama; Nashville; and New York; mcalpinehouseom

Muriel Brandolini The provocative, worldly, color-soaked spaces conceived by Muriel Brandolini range from haute boho to cutting-edge. New York; murielbrandoliniom

Roman and Williams Buildings and Interiors Former Hollywood set designers Robin Standefer and her husband, Stephen Alesch, imagine showstopping hotels, restaurants, and residences that possess a stylish sense of age while balancing artisanal warmth and an industrial edge. New York; romanandwilliamom

Rose Tarlow Design An eminence of sophisticated California design, Rose Tarlow has won legions of admirers for her high-profile interiors as well as for her esteemed furnishings line, Rose Tarlow Melrose House, offering reinterpreted old-world classics, contemporary pieces, and discreetly sumptuous textiles. Los Angeles; rosetarloom

Rose Uniacke Studio Ltd. The leanly furnished, spirit-nourishing spaces of Rose Uniacke typically feature a compelling mix of unfinished floorboards, pale hand-plastered walls, vintage Scandinavian furniture, and a scattering of evocative antiques. London; roseuniackeom

Selldorf Architects Whether designing a private estate, a residential tower, or even a recycling facility, Annabelle Selldorf tackles each commission with thoughtful swagger, crafting minimalist spaces enriched by distinctive materials and expanses of glass. New York; selldorom

Studio Peregalli Laura Sartori Rimini and partner Roberto Peregalli conjure the ambience of days gone by in romantic homes filled with splendor and historical texture. Milan; studioperegalli.it

Suzanne Kasler Interiors Hailed for her serene take on Southern style, Suzanne Kasler renders rooms in pretty palettes and appoints them with classically inflected furnishings and decorative details. Atlanta; suzannekaslerom

Suzanne Rheinstein & Associates The gracious spaces authored by Suzanne Rheinstein blend a variety of European influences—which also inform her supersmart shop, Hollyhock, and her product designs. Los Angeles; suzannerheinsteinom

Todd Williams Billie Tsien Architects Billie Tsien and husband Tod Williams describe architecture as “an act of profound optimism,” and that buoyant outlook permeates their ever-thoughtful buildings, whether cultural, academic, or residential. New York; twbtaom

Toshiko Mori Architect With her precise eye for balance and proportion, Toshiko Mori puts a fresh spin on modernism, incorporating innovative materials and exploring vernacular building types. New York; tmarcom

Victoria Hagan Interiors Impeccably tailored and understated yet invigorated with unexpected gestures and a confident, contemporary tone, Victoria Hagan’s work exemplifies classic American decorating. New York; victoriahaganom