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🛬 Attending

🇰🇷ICML2026, Seoul, KR

My research is supported by:

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<aside> <img src="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8076-afbe-007af223fbba" alt="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8076-afbe-007af223fbba" width="40px" /> Research Gate

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<aside> <img src="attachment:5a1e77b6-a69a-4a9c-8282-b0e70b4de887:Less_Wrong_LOGO.png" alt="attachment:5a1e77b6-a69a-4a9c-8282-b0e70b4de887:Less_Wrong_LOGO.png" width="40px" /> LessWrong

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Socials

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<aside> <img src="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8059-bfa4-007a8ad3da3f" alt="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8059-bfa4-007a8ad3da3f" width="40px" /> BlueSky

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<aside> <img src="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8059-811e-007a23ecdf0a" alt="notion://custom_emoji/0d39d0ab-438c-4f29-be70-03aa9d912057/2c928fcd-40c2-8059-811e-007a23ecdf0a" width="40px" /> X/Twitter

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Meeting w/ me

Please first Email me before you schedule any meetings here, I only take calls after explicit invitation and with people that I know.

The rise of reasoning and agentic AI is a double-edged sword, which motivates me to study what could go wrong with reasoning agents (esp. in multi-agent scenarios) to not only make AI smarter, but also make smarter AI safer:

Reasoning Done Right (Make AI Smarter): How can we make agents smarter? My vertical focus on improving capability evaluation to better inform post-training (reasoning-driven RL) leveraging horizontal from actionable, often black-box interpretability method and robustness probes. Ultimately, this line of work contributes to AI4Science that enable frontier AI to better accelerate scientific discovery, where I’m particularly intrigued by AI application in exoplanetary astrophysics, phenomenology of high-energy particle physics and organic synthetic chemistry.
Reasoning For Good (Make Smarter AI Safer): How can we make smarter agents safer? Reasoning has also enabled novel threat model such as deception, scheming and collusion. My vertical focus on identifying key triggers that suppress/encourage such agentic misaligned behavior and probing how models react differently in realistic (quasi-deployment) vs. fictional (quasi-evaluation) scenarios. Eventually, I believe models need to learn safety constraints via consequence-aware reasoning (CoI, Chain-of-Implication) similar to how legal deterrence work on humans.

Selected Work (Full List: GScholar)

Slide: What could go wrong with Reasoning Machines?

Science of Evaluation
- I develop reasoning benchmarks grounded in research-level scientific publications (PioneerPhysics, CauSciBench, SeePhys) and provably complex theory in mathematics/theoretical computer science (Lean+TCS)
- I study the cross-domain transferability of emerging reasoning capability within (M)LLM and optimize data distribution for generalizable thinking.
- I probe patterns of contamination/memorization/steganography in legacy benchmarks and propose perturbation as a means to revive their utility.
Science of Post-Training
- AtomThink: Multimodal Slow Thinking with Atomic Step Reasoning
- actionable interpretability (esp. how model diffing informs finetuning)
- New Signal for RL (from internal/multi-agent feedback)
Science of Alignment (See my talk) What are the key triggers for models to autonomously deceive/hide their reasoning to (covertly) pursue misaligned objective? Are models more inclined to do harm under more realistic or unrealistic scenario?

Useful:

The following represents only my personal opinions:

I recently quit Cursor and pivot back to VScode+Kilo
ai2-asta for literature review NO hallucination on Semantic Scholar backend
uv in Rust for package management

Science of Evaluation

Inspect for eval (with a focus on safety)
LMMS-eval for multimodal eval
SGLang

Science of Post-Training

Tinker: I’m a beta user of the Tinker API by the ThinkingMachinesLab
slime: RL Scaling with Megatron-LM for training + SGLang for inference
Unsloth: Post-training, but preferably when using single GPU
- OpenSloth supports multi-GPU, but unclear about multi-node

Education

<aside> 🐔 PhD

Advisor:

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<aside> 🐥 MSc. Interdisciplinary Science ETH (CS and Physics) ETH Zurich, Switzerland (2024-2025)

Thesis Advisor: Prof. Zhijing Jin, Prof. Bernhard Schölkopf

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<aside> 🐣 BSc. Interdisciplinary Science ETH (CS, Physics and Chemistry) ETH Zurich, Switzerland (2023-2025)

Thesis Advisor: Prof. Mrinmaya Sachan

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