You will lead a world-class team of machine learning engineers, software engineers, data engineers, and applied scientists building scalable knowledge systems, LLM-powered reasoning capabilities, retrieval infrastructure, and knowledge generation platforms that continuously improve the quality, freshness, and intelligence of Apples conversational experiences. As a senior leader, you will build and mentor high-performing engineering managers and technical leaders, establish technical strategy and organizational direction, foster engineering excellence, and execute ambitious multi-year roadmaps while delivering high-quality products at Apples scale.