MatrAIxGitHub ↗Join us

Build the human layer of intelligence with us.

Researchers, engineers, social scientists, designers, students, and product builders working together on open-source evaluation infrastructure: persona data, simulation environments, applications, and metrics.

200+Contributors
3Research teams
4Application domains
OpenSource & collaboration

Organizers

Dr. Xiaomin Li
CO-ORGANIZER

Dr. Xiaomin Li

Senior Research Scientist @ Microsoft CoreAI (GitHub Copilot)
Harvard Ph.D. in Applied MathematicsMIT Research AffiliateEx-Microsoft Research, Amazon, Meta & ByteDance

Specializes in random matrix theory, LLM post-training, coding agents, reasoning, RLHF reward modeling, and LLM training-data quality. Dual bachelor's degrees in Math and Computer Science from UIUC.

Dr. Yuexing Hao
CO-ORGANIZER

Dr. Yuexing Hao

Researcher @ Microsoft Office of Applied Science
MIT EECS Postdoctoral ResearcherCornell Ph.D.Ex-Google Research & Scale AI

Human–AI interaction and AI alignment researcher with a Ph.D. from Cornell University. She is a postdoctoral researcher at MIT and Microsoft. She led Google’s Wayfinder AI and Mayo Clinic’s MedEduChat patient-education system.

Advisory Committee

Twenty profile slots are reserved for future approved scientific and industry advisors.

01

Advisor 01

Human–AI Interaction
02

Advisor 02

Computational Social Science
03

Advisor 03

AI Agents
04

Advisor 04

Responsible AI
05

Advisor 05

Persona & Identity
06

Advisor 06

Behavioral Science
07

Advisor 07

Machine Learning
08

Advisor 08

Evaluation & Benchmarks
09

Advisor 09

Data & Grounding
10

Advisor 10

Interactive Systems
11

Advisor 11

Multi-Agent Systems
12

Advisor 12

Privacy & Governance
13

Advisor 13

Developer Tools
14

Advisor 14

Product Evaluation
15

Advisor 15

Digital Health
16

Advisor 16

Financial Technology
17

Advisor 17

Commerce & Retail
18

Advisor 18

Open Source
19

Advisor 19

Research Infrastructure
20

Advisor 20

Community & Education

Community backgrounds

Members of the broader MatrAIx community have studied, researched, or worked at organizations including the following.

Education & researchSelected member backgrounds
HarvardMITStanfordUC BerkeleyCarnegie MellonCaltechPrincetonCornellBrownU WashingtonUIUCGeorgia TechNYUOxfordCambridgeETH ZürichTsinghuaPeking University
Technology & industrySelected member backgrounds
GoogleGoogle DeepMindMicrosoftMetaAmazonAppleOpenAIAnthropicTeslaLinkedInIBMIntelOracleAdobeSalesforceStripeAirbnbUberDatabricksByteDanceAlibabaTencent

Organizations are listed solely to describe individual members’ educational or professional backgrounds. They do not imply institutional endorsement, sponsorship, or partnership with MatrAIx. This list is provisional and will be updated as member profiles are reviewed.

GET IN TOUCH

Join us or get in touch.

For research collaboration, contributions, joining the community, or general questions, email us directly.