Amazon (AMZN) Stock Falls As AI Chip Team Loses Another Key Leader

TLDR

• Gadi Hutt, director of product and customer engineering at Annapurna Labs, has left Amazon
• Hutt was a key figure behind Amazon’s Trainium AI chips
• He is the second senior Annapurna executive to leave in seven months
• Rami Sinno departed to Arm (ARM) in August 2025; AGI head Rohit Prasad also left at end of 2025
• AMZN stock closed down 2% Thursday; up 3% over the past 12 months

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Amazon (AMZN) closed down 2% on Thursday.

Amazon.com, Inc., AMZN

Gadi Hutt, director of product and customer engineering at Annapurna Labs, has left Amazon, according to a report from The Information. Hutt was one of the more visible faces behind Amazon’s Trainium AI chip line.

Amazon acquired Annapurna Labs, an Israeli chip startup, back in 2015 for $350 million. The unit has since become a core part of Amazon’s push to build its own silicon and cut its reliance on third-party chip suppliers.

Hutt’s departure is the second from a senior Annapurna role in the past seven months. Rami Sinno left in August 2025 and landed at Arm Holdings (ARM).

That’s two key chip executives out the door in less than a year — a pattern that’s hard to ignore.

The exits don’t stop at the chip team. Rohit Prasad, Amazon’s senior vice president and head scientist for artificial general intelligence, also left at the end of 2025.

A Streak of Departures

The string of exits touches multiple layers of Amazon’s AI operation — from the silicon side at Annapurna to the broader AGI research effort under Prasad.

Amazon has not publicly commented on the departures, and the reasons for each exit have not been disclosed.

Trainium is Amazon’s custom chip designed for AI training workloads, and it sits at the center of the company’s effort to build cloud infrastructure that doesn’t depend entirely on Nvidia’s hardware.

Hutt’s role in product and customer engineering meant he was directly involved in shaping how Trainium chips were developed and brought to market.

The Talent Market

Competition for AI chip talent has been fierce across the industry, with major tech companies, startups, and established chip makers all competing for the same pool of engineers and product leaders.

Sinno’s move to Arm is a clear example of how quickly top talent can shift between rivals in this space.

Amazon’s Annapurna Labs team has been integral to its AWS cloud division, which relies on in-house chips to offer differentiated products to enterprise customers.

Trainium chips have been positioned as a cost-effective alternative to Nvidia’s GPUs for AI training tasks.

The AMZN stock is up 3% over the past 12 months, despite Thursday’s 2% drop following the report.

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