In our What I Wear to Work series , we highlight dynamic women—from entrepreneurs and small business founders to CEOs and celebrities—discussing their style ethos, the pieces that empower them, and how they balance life alongside whirlwind careers.

Spend even a few minutes scrolling beautiful homes online, and you'll probably come across Sarah Sherman Samuel’s work. With clients including Mandy Moore and Garance Doré, the designer has shaped some of interiors’ most recognizable aesthetics: sculptural forms, natural materials, vintage accents, and spaces that make you want to stay awhile.

Samuel approaches getting dressed much the same way she designs a room. As she wanders through her closet, opening drawers and pulling dresses from their hangers to jog her memory, it’s clear the clothes she wears aren’t separate from the world she’s built—they’re an extension of it.…