An OpenAI researcher who worked on GPT-4.5 had their green card denied

Kai Chen, a Canadian AI researcher working at OpenAI who’s lived in the U.S. for 12 years, was denied a green card, according to Noam Brown, a leading research scientist at the company. In a post on X, Brown said that Chen learned of the decision Friday and must soon leave the country. “It’s deeply […]

Read more: https://techcrunch.com/2025/04/25/an-openai-researcher-who-worked-on-gpt-4-5-had-their-green-card-denied/

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