Hamish Ivison
PhD student at the University of Washington and researcher at Ai2; lead author of the Tülu series and a core post-training contributor to OLMo.
- Role
- grad-student
- Currently at
- University of Washington
- twitter.com/hamishivi
- GitHub
- github.com/hamishivi
- Scholar
- scholar.google.com/citations
- Papers
- 11
Cite
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Authored papers
11Meta-Reinforcement Learning with Self-Reflection for Agentic Search
arXiv 2026
RewardBench 2: Advancing Reward Model Evaluation
preprint
Olmo 3
arXiv 2025
DR Tulu: Reinforcement Learning with Evolving Rubrics for Deep Research
arXiv 2025
RLVE: Scaling Up Reinforcement Learning for Language Models with Adaptive Verifiable Environments
arXiv 2025
TESS 2: A Large-Scale Generalist Diffusion Language Model
arXiv 2025
Large-Scale Data Selection for Instruction Tuning
arXiv 2025
Tulu 3: Pushing Frontiers in Open Language Model Post-Training
preprint
2 OLMo 2 Furious
arXiv 2024
OLMo: Accelerating the Science of Language Models
arXiv 2024
TESS: Text-to-Text Self-Conditioned Simplex Diffusion
arXiv 2023
Tool contributions
1Affiliations
Previously
Frequent co-authors
10from 11 papers
Hannaneh Hajishirzi
professor
Pradeep Dasigi
Faeze Brahman
researcher
Nathan Lambert
researcher
Jacob Morrison
research-engineer
Luca Soldaini
Noah A. Smith
Pang Wei Koh
Valentina Pyatkin
research-scientist
Luke Zettlemoyer
professor