Allegra Ouroussoff Eifler is a New York City based interior designer specializing in comfortable spaces that balance American optimism with European refinement. She launched her eponymous firm in 2018. Her work since then has included apartments and houses in New York City and the surrounding tri-state area, New England, and California, as well as several commercial projects: a bagel shop in Austin, a restaurant on the Lower East Side, and a beer hall in Brooklyn.