# Haohua Wan

> AI Tech Lead @ LinkedIn | Recommendation Systems | Large Language Models (LLMs) | Ph.D. in Operations Research

Location: Sunnyvale, California, United States
Profile: https://flows.cv/haohua

## Work Experience
### Staff Software Engineer, Machine Learning @ LinkedIn
Jan 2026 – Present | Sunnyvale, CA
• Served as Tech Lead for Network Growth AI, focusing on AI-driven products like "People You May Know" and "People Follow."  
• Spearheaded cross-organizational projects for Out-Of-Network Recommendations across Feeds, Notifications, and Email.  
• Leveraged advanced technologies including LLM, GNN, and GR to enhance user engagement and recommendation accuracy.

### Senior Software Engineer, Machine Learning @ LinkedIn
Jan 2022 – Present | Sunnyvale, CA
I leverage advanced AI and machine learning techniques, including Embedding Based Retrieval, Large Personalization Model, Large Language Model to power several core recommendation systems at Linkedin, including People You May Know and People Follow

### Senior AI Scientist (in Search and NLP) @ Target
Jan 2021 – Jan 2022
Work on Query Understanding and Search Relevancy in Keyword Search, and Query Auto-completion in Search Box for Target.com

### Data Scientist (in Recommendation Systems) @ Wayfair
Jan 2019 – Jan 2021 | Boston, Massachusetts, United States
Work on Wayfair's next-generation Product Recommendation System, which generates over 100 millions incremental revenue per year.

### Research Assistant @ University of Illinois at Urbana-Champaign
Jan 2013 – Jan 2019 | Urbana-Champaign, Illinois Area
Worked on the NSF project "Inventory Management in Assemble-to-Order Systems: Analysis, Policies, and Asymptotic Optimality".

### Data Science Summer Intern @ Wayfair
Jan 2018 – Jan 2018 | Greater Boston Area
Worked on ranking algorithms for Email Marketing channel.


## Education
### Doctor of Philosophy - Ph.D. in Industrial Engineering
University of Illinois Urbana-Champaign

### Master's degree in Applied Mathematics
University of Illinois Urbana-Champaign

### Master's degree in Operations Research
Columbia University

### Master of Engineering in Software Engineering
Peking University

### Bachelor of Economics in Finance
Nanjing University

### Bachelor of Science - BS in Resources Environment and Urban and Rural Planning Management
Nanjing University


## Contact & Social
- LinkedIn: https://linkedin.com/in/haohua-wan-1a044214b

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Source: https://flows.cv/haohua
JSON Resume: https://flows.cv/haohua/resume.json
Last updated: 2026-04-12