The Apple FaceID Co-Inventor Building a Frontier AI Model for the Human Brain

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The co-inventor of Apple’s FaceID and Vision Pro technology has spent the last six years building a frontier artificial intelligence model that could one day help decode electrical activity in the brain to diagnose cognitive disorders.

Now, Gidi Littwin’s startup, Hemispheric, has raised $52 million in funding after gathering data on 100,000 people’s brains to train deep learning models to examine the brain without the need for invasive procedures.

Littwin left Apple in 2020, looking for a change. He found it when his Hemispheric cofounder Hagai Lalazar cold-messaged him on LinkedIn. Lalazar had begun to develop artificial intelligence to study the brain without the need for surgery, and was looking for a commercially minded cofounder to drive the company forward. By the time he found Littwin, he had spoken to around 75 candidates.

Littwin had helped develop FaceID, and at that time was working on hand-tracking for an augmented reality...

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