Orevaoghene
Email: oahia@cs.washington.edu
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Hello! I am a final-year PhD student in Computer Science at the University of Washington, co-advised by Noah A. Smith and Yulia Tsvetkov. My research focuses on evaluating multimodal agents for real-world applications, emphasizing utility, safety, robustness, and societal impact. I also develop frameworks to assess fine-grained reasoning to enable model self-improvement, enabling safer and more effective deployment.

I have also worked extensively on multilingual language modeling, including high-quality data curation for pretraining and efficient tokenizer-free architectures. I also audited these models to improve safety and robustness across modalities and language varieties.

Before my PhD, I was a Research Engineer at Instadeep, working on AI solutions for enterprise clients. During my PhD, I interned at Google DeepMind , working on reasoning assessment and improvement in audio language models and at Apple MLR, working on enforcing alignment during multilingual LM pretraining.

I am on the industry job market for 2026! Please reach out if you think my background and experience may be a good fit for your organization.

Selected Publications

Priyanka Kargupta, Shuyue Stella Li, Haocheng Wang, Jinu Lee, Shan Chen, Orevaoghene Ahia, Dean Light, Thomas L. Griffiths, Max Kleiman‑Weiner, Jiawei Han, Asli Celikyilmaz, Yulia Tsvetkov
arXiv (Nov 2025)
Orevaoghene Ahia, Martijn Bartelds,..., Noah A. Smith, Yulia Tsvetkov, Sachin Kumar
Under Review
Brian S. Zheng, Alisa Liu, Orevaoghene Ahia, Jonathan Hayase, Yejin Choi, Noah A. Smith
NeurIPS 2025 (Spotlight)
Abraham T. Owodunni, Orevaoghene Ahia, Sachin Kumar
Under Review
Orevaoghene Ahia, Sachin Kumar, Hila Gonen, Valentin Hofmann, Tomasz Limisiewicz, Yulia Tsvetkov, Noah A. Smith
NeurIPS 2024
Orevaoghene Ahia, Fahim Faisal, Aarohi Srivastava, Kabir Ahuja, David Chiang, Yulia Tsvetkov, Antonios Anastasopoulos
ACL 2024 (Best Social Impact Paper Award)
Tomasz Limisiewicz, Terra Blevins, Hila Gonen, Orevaoghene Ahia, Luke Zettlemoyer
ACL 2024
Orevaoghene Ahia, Anuoluwapo Aremu, Diana Abagyan, Hila Gonen, David I. Adelani, Daud Abolade, Noah A. Smith, Yulia Tsvetkov
EMNLP 2024
Orevaoghene Ahia, Sachin Kumar, Hila Gonen, Jungo Kasai, David R. Mortensen, Noah A. Smith, Yulia Tsvetkov
EMNLP 2023