Yejin Choi is a distinguished scientist of Language and Cognition Research at NVIDIA. Her current research focuses on large language models, large reasoning models, and alternative architectures. She is a MacArthur Fellow (class of 2022), named among Time100 Most Influential People in AI in 2023, and a co-recipient of 2 Test-of-Time awards (ACL 2021 and CVPR 2021) and 8 Best and Outstanding Paper Awards at ACL, EMNLP, NAACL, ICML, NeurIPS, and AAAI.