Haojun Jia
Researcher · Founder
Now Founder, Deep Principle
Latest on AI4S.fyiFunding · Jul 14 · founderDeep Principle · Series A3 · undisclosedAccount linked from x.com/DeepPrinciple
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Affiliations
Current
- Founder · Deep Principle
Also named in the companies' announcements: MIT
Current roles come from these dated records, not from the bio below. Each links the page it was read from.
About
Haojun Jia is the founder and CEO of Deep Principle. He did his PhD in physical chemistry at MIT in Heather Kulik's group, working on spin-state properties of single-atom catalysts, and was an intern researcher in Dow Chemical's core R&D department. He holds bachelor's degrees in physics from Jilin University and National Research Tomsk Polytechnic University.
Read on 2026-09-29; for current roles see Affiliations above. Read at: deepprinciple.com ↗ · hjkgrp.mit.edu ↗
Selected work
- Optimal transport for generating transition states in chemical reactions ↗
React-OT, which generates the transition states of chemical reactions with optimal transport.
Also on this record: Chenru Duan
Each byline was read on the paper itself. Only people on this record are named, not the full author list, and a shared byline does not say who did which part.
Founded
Deep PrincipleMaterials and chemistry · 2024 · 7 rounds on record · Series A3 undisclosedBackground: MIT PhD in Heather Kulik's group; Dow Chemical R&D (as the company's own announcements put it)
Co-founders: Chenru Duan
Backed byFortera CapitalJinma InvestmentAlibaba Entrepreneurs Fund Greater Bay Area fund (managed by Gobi Partners)Ant GroupVertex Ventures ChinaGL Ventures
On the timeline
- 2025-12-25SAGA, an agent that rewrites its own design goals, gets one E. coli hit from 28 tested molecules and three PD-L1 nanobody binders from 24
- 2025-12-17SDE, a 1,125-question discovery benchmark from Deep Principle and 25 institutions: the best models score 0.60-0.75, against 0.86 on GPQA-Diamond
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