Louise Macfadyen is a seasoned product designer specializing in AI at Microsoft, with over eight years of experience crafting innovative user experiences and strategic design frameworks. In her work on Microsoft's Fluent AI team she specializes in finding and translating technological limitations in order to develop human-centered design solutions. Her approach focuses on creating accessible, effective, and user-centric solutions that empower designers to build intuitive interfaces and collaborate seamlessly with engineering teams. In Designing AI Interfaces, she shares practical insights for working with large language models, guiding designers through the rapidly evolving world of AI-driven product development.