Apple AI Chief John Giannandrea Set to Leave After 8 Years

Apple's AI Chief John Giannandrea will leave the company after 8 years, having led Apple's machine learning and AI strategy. His exit is reportedly due to disappointing Apple Intelligence launch and Siri overhaul delays. Giannandrea joined Apple in 2018, and the actual departure follows an announcement made in December 2025.

John Giannandrea, Apple's long-time AI Chief, is set to leave the company after 8 years . His tenure was marked by Apple Intelligence's underwhelming launch and the delay in overhauling Siri's capabilities. As part of a restructuring effort, Giannandrea's role was significantly reduced in March 2025 .

Giannandrea took over the leadership of AI and ML strategy at Apple in 2018, having previously spent 8 years at Google . His departure had been previously announced for the spring of 2026, allowing him to stay in an advisory role until his remaining stock grants vest .

Sources indicate the decision to leave Apple is likely related to the disappointing performance of Apple Intelligence and the ongoing delays in updating Siri's capabilities .

Investors remain focused on potential leadership shuffle and the future of Apple's AI initiatives with Giannandrea's exit.