Top row (left to right): Mark Chen, Giambattista Parascandolo, Trapit Bansal, Łukasz Kaiser, Hunter Lightman, Karl Cobbe, Łukasz Kondraciuk, Szymon Sidor, Noam Brown, Hongyu Ren, Liam Fedus, Hyung Won Chung
Bottom row (left to right): Ilge Akkaya, Jakub Pachocki, Shengjia Zhao, Jason Wei, Wojciech Zaremba, Jerry Tworek
Host: Bob McGrew
More on the research: https://openai.com/index/learning-to-reason-with-llms/
Full list of contributors: https://openai.com/openai-o1-contributions/