Reiichiro Nakano is a machine learning researcher and Member of Technical Staff at Periodic Labs, where he works on AI systems for scientific experimentation. Previously, he spent approximately five years at OpenAI, contributing to research including WebGPT, reinforcement learning, language-model reasoning, and AI agents. He has also developed open-source machine-learning tools and browser-based neural-network demonstrations.
Reiichiro Nakano is a machine learning researcher and Member of Technical Staff at Periodic Labs, where he works on AI systems for scientific experimentation. Previously, he spent approximately five years at OpenAI, contributing to research including WebGPT, reinforcement learning, language-model reasoning, and AI agents. He has also developed open-source machine-learning tools and browser-based neural-network demonstrations.
Career
Reiichiro Nakano studied at De La Salle University (Master of Science in Electronics Engineering and Bachelor of Science in Electronics and Communications Engineering).
Member of Technical Staff at OpenAI from 2020 to 2025Contributed to research on browser-assisted question answering, reinforcement learning, language-model reasoning, and AI agents. Co-authored the WebGPT research paper and contributed to work on training verifiers for mathematical reasoning.