Alan Dye, Apple’s vice president of Human Interface Design since 2015, is leaving the company for Meta, where he'll lead a new design studio focused on integrating AI with hardware and software. His official start date at Meta is December 31. Stephen Lemay, a longtime Apple design veteran, will succeed him. Tim Cook praised Lemay’s contributions to Apple’s interface design since 1999, emphasizing the importance of design in Apple’s identity. Dye’s departure comes amid other significant changes at Apple. Bloomberg reports that management had been anticipating his exit. Recently, Apple also announced that John Giannandrea, its senior VP for Machine Learning and AI Strategy, is retiring in spring 2026. Other notable exits include COO Jeff Williams and CFO Luca Maestri. This trend of turnover in Apple's leadership raises questions about the stability of the company during Tim Cook’s tenure, which might end as soon as next year. Dye's influence at Apple grew after Jony Ive's departure in 2019. He played a key role in major projects, including the Liquid Glass redesign in iOS 26 and the Apple Vision Pro headset. Alongside Dye, Billy Sorrentino, a design deputy, is also moving to Meta. Apple's recent losses of designers to Jony Ive's LoveFrom and OpenAI highlight the competitive environment for talent, particularly in AI-driven design.