News Summary

Kai Chen, a Canadian AI researcher with OpenAI, has been denied a U.S. green card despite contributing significantly to the development of GPT-4.5, raising concerns about immigration policies affecting top tech talent. Chen, who has lived in the U.S. for 12 years, now faces the prospect of working remotely from Canada. This situation underscores the increasing barriers faced by foreign professionals in the U.S. tech industry and has prompted calls for reform to sustain the U.S.’s leadership in AI. The denial of Chen’s green card application is part of broader immigration challenges, reflecting a trend that has affected many international researchers in the U.S. OpenAI relies heavily on foreign talent, having filed numerous visa applications to support its workforce. The situation has sparked industry-wide concern and debate over the current immigration policies.