Ai2

Lead research scientist at Ai2 and a founding member of the OLMo team. He works on open language models, language agents, evaluation, and reasoning, and helps build open-model research infrastructure.

Senior research scientist at Ai2 working on natural language processing, machine learning, and reasoning for the Aristo project; previously a researcher at the Institute for Natural Language Processing at the University of Stuttgart.

PhD student at the University of Washington advised by Luke Zettlemoyer and researcher at Ai2. His work focuses on open language models, instruction tuning, data curation, and evaluation.

Postdoctoral researcher at the Allen Institute for AI and the University of Washington whose work focuses on open language model post-training, steerability, and evaluation.

Research scientist at AI2; previously a machine learning engineer at Koko, where he worked on safety systems for language models.

Yizhong Wang is a research scientist at the Allen Institute for AI and incoming assistant professor at the University of Washington whose work focuses on language models, agents, reasoning, and open-source AI.

Yuling Gu is a PhD student at the NYU Center for Data Science studying large language models, machine reasoning, and robust evaluation. She was previously a predoctoral researcher at the Allen Institute for AI, where she contributed to OLMo, OLMo 2, OLMo 3, TULU 3, OLMoE, and OLMES.

Research scientist at Ai2 and PhD candidate at the University of Washington. Her work focuses on language models, evaluation, and building practical open-source AI systems.

Ai2 engineer whose public GitHub and Hugging Face profiles describe him as building LLMs at Ai2; he is also listed on OpenReview as an OLMo author.

Research scientist at Ai2 focused on language models, evaluation, and AI safety. Her work studies reasoning, truthfulness, and how to make large models more reliable.

PhD student at the University of Washington and Student Researcher at Ai2 working on aligning language models and making them more useful.

Researcher working on language models, agents, and retrieval-augmented generation; currently at xAI and incoming assistant professor at the University of Washington, previously a research scientist at the Allen Institute for AI.

Iz Beltagy is an NLP researcher known for work on OLMo, Longformer, SciBERT, and other open language technologies. His public profile highlights research on open language models, scientific NLP, and long-context modeling.

Empirical AI researcher at the Allen Institute for AI whose work focuses on post-training, synthetic data, and evaluation.

Researcher at the Allen Institute for AI (Ai2) working on vision-language and multimodal AI, with a focus on reliable reasoning and understanding beyond text.

Assistant Professor at the NYU Courant Institute of Mathematical Sciences. He studies formal models of intelligence, including language, learning, and efficient reasoning, and previously worked as a research scientist at Ai2.

Noah A. Smith is a computer scientist and professor at the University of Washington, where he serves as Vice Provost for Artificial Intelligence and co-directs the OLMo open language modeling effort with Ai2. His research focuses on natural language processing, machine learning, and evaluation methodology.

Professor at the University of Washington and Senior Director of NLP at AI2. Her work spans natural language processing, computer vision, responsible AI, and applications to science and medicine.

David Atkinson is a senior research scientist at Ai2 working on multimodal learning, document understanding, visual question answering, and natural language processing.

Peter Clark is Senior Director for AI at the Allen Institute for Artificial Intelligence (Ai2), where he works on natural language understanding, reasoning, and question answering.

Machine learning researcher and PhD student at the University of Cambridge focused on multilingual and equitable NLP, especially for low-resource languages such as Filipino. He previously worked on open language model efforts at Ai2 including Tulu 3 and OLMo 2.

Maarten Sap is an assistant professor at the University of Washington and a senior research scientist at the Allen Institute for AI. His work focuses on human-centered language technologies and social NLP.

Senior director of natural language processing at the Allen Institute for AI and professor at the University of Washington. Her public profile highlights work in natural language processing, machine learning, computer vision, and AI ethics.

Research scientist at Ai2 working on language models and open research infrastructure. His interests include natural language processing, machine learning, and building reliable open-source systems.