Olmo 3

Akshita Bhagia's homepage says she is a Senior Research Engineer on the AllenNLP team at Ai2, involved in R&D for NLP and in building and evaluating large language models.

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

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.

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.

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.

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.

Luca Soldaini's public materials describe him as a Senior Applied Research Scientist at the Allen Institute for AI working on data-centric NLP, information retrieval, and the OLMo language model effort.

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.

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.

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.

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.

Yuling Gu's NYU and personal pages describe her as a PhD student at NYU Center for Data Science who previously worked at Ai2 and has contributed to OLMo and OLMES.

William Merrill is a Young Investigator at the Allen Institute for AI and an incoming assistant professor at TTIC. His public faculty profile describes research on the computational power and limits of transformers, computational linguistics, and deep learning theory.

Shannon Zejiang Shen is a PhD student at MIT CSAIL researching collaborative AI systems that augment human intelligence.

Jacob Morrison's homepage says he is a PhD student at UW and a student researcher on the AllenNLP team at Ai2, where he mainly works on language modeling.

Mayee Chen's public pages describe her as a Stanford computer science Ph.D. student and an AI2 research intern working on data-centric machine learning and natural language processing.

Saumya Malik is a predoctoral young investigator at the Allen Institute for Artificial Intelligence working on open language modeling, reward models, and instruction following.

Michael Noukhovitch is a PhD candidate in artificial intelligence at Mila associated with Universite de Montreal. His public homepage lists interests including reinforcement learning, multi-agent systems, natural language processing, and agents with web and computer use.

Stanford Data Science lists Jiacheng Liu as a PhD candidate in the Paul G. Allen School of Computer Science and Engineering at the University of Washington. Public sources also link this profile to OLMo 3 authorship and a past Allen Institute for Artificial Intelligence internship.

OpenReview lists Shane Arora as a researcher at the Allen Institute for Artificial Intelligence from 2023 to 2025, an MS student at UT Austin from 2021 to 2024, and an undergraduate student at the University of Sydney from 2016 to 2019. Ai2's public directory and papers pages also list Shane Arora.

Allyson Ettinger is a senior research scientist at Ai2 working on the OLMo pre-training team. Her public materials focus on natural language understanding, language model behavior, and learning from text and experience.

Canonical link

Bhagia, Akshita

Zettlemoyer, Luke

Miranda, Lester James V.

Hajishirzi, Hannaneh

Koh, Pang Wei

Shao, Rulin

Smith, Noah A.

Pyatkin, Valentina

Soldaini, Luca

Li, Shuyue Stella

Gupta, Shashank

Jordan, Matt

Huang, Costa

Sap, Maarten

Gu, Yuling

Merrill, Will

Shen, Shannon Zejiang

Morrison, Jacob

Chen, Mayee

Malik, Saumya

Noukhovitch, Michael

Liu, Jiacheng

Arora, Shane

Ettinger, Allyson