Apple AI Chief John Giannandrea to Exit After 8 Years

John Giannandrea, Apple's senior vice president of machine learning and AI strategy, is departing the company this week after nearly eight years, marking the end of a transitional period that began with the reduction of his leadership role in 2025.

Giannandrea joined Apple in 2018 from Google, where he had headed search and AI efforts, to lead the company's machine learning and artificial intelligence initiatives. Reporting directly to CEO Tim Cook, he oversaw advancements in on-device intelligence, privacy-focused AI systems, and integration of machine learning across iPhones, iPads, and Macs. His tenure included contributions to the now-canceled Apple Car project and foundational work on Siri enhancements. At the time of his hiring, Cook highlighted Giannandrea's alignment with Apple's values, stating, "John shares our commitment to privacy and our thoughtful approach as we make computers even smarter and more personal."

Over time, Giannandrea's responsibilities diminished amid challenges with Apple's AI rollout. In March 2025, oversight of the Siri team shifted to Mike Rockwell, who reports to software engineering chief Craig Federighi, following delays in Siri improvements...