Sitting with Barbara Guggenheim in the stately, well-appointed living room of the Park Avenue apartment that she shares with her second husband, the wealthy venture capitalist Alan Patricof , one feels as if in the presence of a Sargent portrait, if he were painting in sunblasted, minimalist 2025. Guggenheim is dressed beautifully in a crisp midi-length white skirt, white sweater (both by Attersee, a brand founded by her niece Isabel Wilkinson Schor), and white Loewe sneakers. The look matches her sleek white-blond hair pulled back in a clip. At 78, her face is as unlined as that of a 40-year-old, her jawline exquisitely sharp. From the viewer’s position, Guggenheim—the pioneer and grande dame of the rarefied field of art advising—looks every inch the woman who has achieved it all and

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