The post OpenAI Researcher Behind GPT-4.5 Forced to Leave US After Green Card Denial appeared on BitcoinEthereumNews.com.

In brief An OpenAI researcher was forced to leave the U.S. after her green card was denied under stricter Trump-era immigration policies. Colleagues called the decision “nuts” and “deeply concerning,” warning that turning away top AI talent threatens U.S. leadership in the field. Despite advocating for high-skill immigration, OpenAI’s CEO Sam Altman has thus far been silent on the incident. An OpenAI researcher who helped develop GPT-4.5 had her green card application rejected last week, forcing her to leave the United States after living and working in the country for 12 years. Kai Chen—a Canadian citizen—announced on social media that she’ll be relocating to Vancouver for “an indeterminate amount of time” following the denial. Hello tweeter. I’ll be in Vancouver for an indeterminate amount of time! I have no friends there so would be excited about meeting new people 🙂 Hopefully will return home sometime this year but if not shall make the best of it. https://t.co/hO1VCXqRq6 — Kai (@kaicathyc) April 25, 2025 Chen’s colleague at OpenAI, research scientist Noam Brown, expressed dismay at the decision. “It’s deeply concerning that one of the best AI researchers I’ve worked with, @kaicathyc, was denied a U.S. green card today,” Brown wrote on X. “A Canadian who’s lived and contributed here for 12 years now has to leave. We’re risking America’s AI leadership when we turn away talent like this.” It’s deeply concerning that one of the best AI researchers I’ve worked with, @kaicathyc, was denied a U.S. green card today. A Canadian who’s lived and contributed here for 12 years now has to leave. We’re risking America’s AI leadership when we turn away talent like this. — Noam Brown (@polynoamial) April 25, 2025 Chen’s situation is just part of a growing challenge for the American tech sector under Trump’s tightened immigration policies,…

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Filed under: News - @ April 25, 2025 11:24 pm