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.

Alexandre Ramé is a research scientist at Google DeepMind and an adjunct professor at Ecole Polytechnique. His homepage says he previously held research roles at NYU and SCAI / Sorbonne Université, completed a PhD in machine learning at Ecole Polytechnique and ENS Paris-Saclay, and works on post-training and alignment for Gemma LLMs.

Luke Zettlemoyer works on empirical methods for natural language semantics, machine learning, new tasks and datasets, and self-supervision for pre-training.

Senior research scientist at the Allen Institute for Artificial Intelligence working on natural language processing, machine learning, and reasoning on the Aristo project; previously a researcher 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.

TTIC and William Merrill's homepage describe him as currently at the Allen Institute for AI and incoming to TTIC in Fall 2026 after a PhD from New York University. Public profile pages describe research spanning transformer expressivity, formal language theory, computational linguistics, and language models.

Lester James V. Miranda previously worked as a Predoctoral Young Investigator at Ai2 and as a machine learning engineer on the spaCy team at ExplosionAI.

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

Hannaneh Hajishirzi is Senior Director at Ai2 and a professor of computer science at the University of Washington. Her public materials focus on generative AI, reasoning, open language models, pre-training, and evaluation.

Tyler Murray is a research scientist on Ai2's PRIOR team working on vision and multimodal models. His OpenReview profile shows previous research engineering roles at Google and Facebook and degrees from Stanford University and the University of California, Berkeley.

The Allen School lists Pang Wei Koh as an assistant professor at the University of Washington and a visiting research scientist at the Allen Institute for AI. The same page lists expertise in explainable AI, generative AI, machine learning, and natural language processing.

Daogao Liu's homepage says he is currently a visiting postdoctoral researcher at Google. It says his research focuses on machine learning and theoretical computer science, especially differential privacy, stochastic optimization, and algorithm design.

Rulin Shao's homepage says he is a third-year PhD at the University of Washington advised by Pang Wei Koh and Luke Zettlemoyer, and also a visiting researcher at Meta.

Noah A. Smith is the University of Washington's inaugural Vice Provost for Artificial Intelligence and a professor in the Paul G. Allen School of Computer Science & Engineering. He is also Senior Director of NLP Research at the Allen Institute for AI.

Valentina Pyatkin works on open language models, post-training, steerability, instruction following, and evaluation as a postdoctoral researcher and Young Investigator at Ai2 and the University of Washington.

Shuyue Stella Li is a Ph.D. student in the Allen School at the University of Washington advised by Yulia Tsvetkov, with research interests including proactive learning, social reasoning, and AI for health.

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.

Chris Alberti's Google Research profile lists natural language processing and speech processing as his research areas, and his OpenReview profile lists him as a researcher at Google.

Jieyu Zhang's personal site says she is a final-year PhD student in computer science at the University of Washington advised by Ranjay Krishna and Alex Ratner. UW RAIVN also lists her as a PhD student since 2020, and her site lists an AI2 research internship beginning in January 2025.

Public profiles identify Matt Jordan as an Allen Institute for Artificial Intelligence researcher and a former University of Texas at Austin PhD student advised by Alex Dimakis.

Shashank Gupta's public homepage describes him as an applied scientist at Ai2 focused on agentic LLMs, test-time compute, post-training, and reasoning, after earlier work in Microsoft AI.

Costa Huang is a reinforcement learning researcher and the creator of CleanRL; his public GitHub profile lists Periodic Labs as his current affiliation and AllenAI and Hugging Face as previous affiliations.

Carnegie Mellon says Maarten Sap is an assistant professor in the Language Technologies Institute with a courtesy appointment in HCII, and also a part-time research scientist and AI safety lead at the Allen Institute for AI. His CMU profile says he received his PhD from the University of Washington.

Luca Soldaini

Alexandre Ramé

Luke Zettlemoyer

Kyle Richardson

Hamish Ivison

Valentina Pyatkin

William Merrill

Lester James V. Miranda

Isaac MacMillan

Hannaneh Hajishirzi

Tyler Murray

Pang Wei Koh

Daogao Liu

Rulin Shao

Noah A. Smith

Valentina Pyatkin

Shuyue Stella Li

Yizhong Wang

Chris Alberti

Jieyu Zhang

Matt Jordan

Shashank Gupta

Costa Huang

Maarten Sap