Theory Please select a featured image for your post Home › Brand Directory › TheoryKey FactsFounded1997FounderAndrew RosenHeadquartersNew York, United StatesCountry of OriginUnited StatesParent CompanyFast RetailingIndustryContemporary FashionInstagram @theory__Related ArticlesNYFW FALL 2025Theory Fall/Winter 2025 CollectionFashionFast Retailing Raises Full-Year Forecast as UNIQLO’s Global Growth Drives Record ProfitCollectionsNew York Fashion Week Fall/Winter 2026 Official Schedule and Participating BrandsNYFW SPRING 2026New York Fashion Week (NYFW) Spring/Summer 2026 Official Schedule and Participating Brands Related Previous Article Kate Spade Next Article COS