In our eighth annual list, we celebrate the leaders and insiders behind the ideas and strategies that fueled exceptional business success and, as a result, changed fashion and beauty at large. Among them are marketers who proved the power of outside-the-box content, executives who accelerated growth through thoughtful expansion, founders who overhauled internal processes to epic effects and a stylist who co-orchestrated “brat summer.” Meet the 2024 Glossy 50.