Amazon CEO Andy Jassy Taps 27-Year Veteran Peter DeSantis to Lead New AI Division as Alexa Chief Rohit Prasad Exits

Dec 18, 2025
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Summary

Amazon CEO Andy Jassy promotes 27-year company veteran Peter DeSantis to head a newly formed AI division encompassing Nova models, silicon development, and quantum computing as longtime Alexa chief Rohit Prasad announces his departure.

Key Points

  • Andy Jassy appoints Peter DeSantis to lead a new organization focused on Amazon's AI models including Nova, silicon development, and quantum computing efforts
  • DeSantis, a 27-year Amazon veteran who previously led EC2's launch and AWS Infrastructure, brings extensive experience in delivering transformative technologies at massive scale
  • Rohit Prasad, who led Alexa development and Amazon's AGI organization for the past two years, departs Amazon at year-end after building twelve foundation models

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