In only 20 years since it was launched, Sephora is the market leader in the beauty retail industry, with stores in 32 countries. Sephora executives Christopher de Lapuente, global president and chief executive officer, and Calvin McDonald, president and ceo of Sephora Americas, talk with WWD about the recipe to their immense success in May 2018 at the WWD Beauty CEO Summit in Palm Beach, Fla.