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Apple’s Mike Rockwell Overhauls Siri Leadership and Architecture

The Vision Pro software veteran is restructuring teams and unifying Siri’s system with large-language models for a fall 2025 relaunch.

The new head of Siri development has one job: make it stink less.

Overview

  • Mike Rockwell, previously leading Vision Pro software, has replaced key Siri managers with trusted deputies from his former team.
  • Ranjit Desai now oversees Siri engineering, Olivier Gutknecht leads user experience, and other Vision Pro veterans are taking on critical roles.
  • Apple is transitioning Siri from a dual-system design to a unified large-language model architecture for improved conversational abilities.
  • For the first time, Siri teams are allowed to incorporate third-party large-language models to enhance the assistant’s features.
  • The overhaul is part of Apple’s broader 'Apple Intelligence' strategy to regain competitive ground in AI against rivals like Google and OpenAI.