Junyan Cheng
About Me
I am a fourth-year Ph.D. candidate at Dartmouth College, advised by Prof. Peter Chin. I am also a fully funded PhD Innovation Fellow (NSF Research Traineeship, Thayer Engineering & Tuck Business collaboration), supervised by Prof. Eric R. Fossum on research translation and entrepreneurship. I also hold an M.S. in CS (Intelligent Robotics) from USC, following graduate studies in Robotic Engineering at WPI. Previously, I interned at Microsoft Research Redmond and the Allen Institute for AI (Ai2).
About My Research
Grounded in the LM/DL stack, from representation learning (ICLR’24), multimodal Transformer architecture for video (EMNLP’21) and program analysis (arXiv’21a, arXiv’21b), automatic pre-training and architecture design (NeurIPS’25 Spotlight “Genesys”), to agentic systems for society (ICLR’24 Spotlight “SocioDojo”), probabilistic analysis (ICLR’26 “Analytica”), and finance (FinAI@ICLR’25), my goal is to build the Autonomous Agentic Systems that can reliably take over critical domains:
I have built multiple complex LLM-agentic systems using the 🧊LLLM framework I developed. Check live demos of my flagship systems below (click to explore, swipe left-right). In particular, I developed an 🧠Analytica web app (Research Preview Demo) for LLM-agentic probabilistic analysis.
Analytica
Robust and efficient wide and deep LLM-agentic analysis and forecasting with soft logic and parallel Jupyter Notebook analysts.
Genesys
Distributed discovery system for novel language model architectures with autonomous design and evaluation.
Apeiron
Large-scale app synthesizer that models the full lifecycle autonomously, optimizing user demands with multi-thread CUA evaluators.
SocioDojo
LLM agentic lifelong societal modeling and analysis with news feed and real-time data flow. A "Human World Model".
Publications
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ICLR
The Fourteenth International Conference on Learning Representations (ICLR), 2026. -
NeurIPS
The Thirty-ninth Annual Conference on Neural Information Processing Systems (NeurIPS), 2025. -
FinAI@ICLR
ICLR 2025 Advances in Financial AI Workshop (Long Paper track), 2025. -
ICLR
The Twelfth International Conference on Learning Representations (ICLR), 2024. -
ICLR
The Twelfth International Conference on Learning Representations (ICLR), 2024. -
EMNLP
Conference on Empirical Methods in Natural Language Processing (EMNLP Main), 2021. -
arXiv
arXiv preprint, arXiv:2112.00663 -
arXiv
arXiv preprint, arXiv:2111.08874 -
RNA biology
RNA biology, 2018, VOL. 15, NO. 9, 1192-1205
JCISE
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