Ali Hatamizadeh ![](/sites/default/files/person/my_profile_slack.png) Ali Hatamizadeh is a Staff Research Scientist at NVIDIA Research. His research focuses on Large Language Models (LLMs), with an emphasis on the principled design of LLMs and advancing their reasoning capabilities. He received his PhD and MSc in Computer Science from the University of California, Los Angeles (UCLA). Research Area(s) [Artificial Intelligence and Machine Learning ](/index.php/research-area/machine-learning-artificial-intelligence) [Natural Language Processing](/index.php/research-area/natural-language-processing) Main Field of Interest [Artificial Intelligence and Machine Learning ](/index.php/research-area/machine-learning-artificial-intelligence) Google Scholar [https://scholar.google.com/citations?user=dBDAjMcAAAAJ&hl=en&oi=sra](https://scholar.google.com/citations?user=dBDAjMcAAAAJ&hl=en&oi=sra) ### Publications ### 2026 [RLP: Reinforcement as a Pretraining Objective](/publication/2026-04_rlp-reinforcement-pretraining-objective) [Ali Hatamizadeh](/person/ali-hatamizadeh), Syeda Nahida Akter, Shrimai Prabhumoye, [Jan Kautz](/person/jan-kautz), Mostofa Patwary, Mohammad Shoeybi, Bryan Catanzaro, Yejin Choi [International Conference on Learning Representations (ICLR) 2026](https://iclr.cc/) [iGRPO: Self-Feedback-Driven LLM Reasoning](/publication/2026-02_igrpo-self-feedback-driven-llm-reasoning) [Ali Hatamizadeh](/person/ali-hatamizadeh), Shrimai Prabhumoye, Igor Gitman, [Ximing Lu](/person/ximing-lu), Seungju Han, Wei Ping, Yejin Choi, [Jan Kautz](/person/jan-kautz) ### 2025 [Gated Delta Networks: Improving Mamba2 with Delta Rule](/index.php/publication/2025-04_gated-delta-networks-improving-mamba2-delta-rule) Songlin Yang, [Jan Kautz](/index.php/person/jan-kautz), [Ali Hatamizadeh](/index.php/person/ali-hatamizadeh) [International Conference on Learning Representations (ICLR) 2025](https://iclr.cc/) ### 2024 [An Empirical Study of Mamba-based Language Models](/index.php/publication/2024-06_empirical-study-mamba-based-language-models) Roger Waleffe, [Wonmin Byeon](/index.php/person/wonmin-byeon), Duncan Riach, Brandon Norick, Vijay Korthikanti, Tri Dao, Albert Gu, [Ali Hatamizadeh](/index.php/person/ali-hatamizadeh), Sudhakar Singh, Deepak Narayanan, Garvit Kulshreshtha, Vartika Singh, Jared Casper, [Jan Kautz](/index.php/person/jan-kautz), Mohammad Shoeybi, Bryan Catanzaro