About

Iterating on AI systems, amplifying organizations and teams.

Reach out if you also ship ML, RecSys, or LLM systems and want to talk shop.

Personal projects by Eugene Yan.

Experience

Amazon
ml
recsys
llm
e-commerce

2020 - Now

Senior Applied Scientist

• RecSys: Real-time retrieval, bandit ranking, tag-based interactive recs, search [1]
• LLMs: Evals, finetuning, summarization, hallucination detection, org education [2]

UCare.ai
tabular ml
sequential modeling
healthtech

2018 - 2019

Machine Learning Lead

• Chronic disease prediction, insurance fraud detection, hospital bill prediction [1][2]

Alibaba/Lazada
recsys
tabular ml
e-commerce

2015 - 2018

VP, Machine Learning

• Built & led a team of 20+ scientists and MLEs [1]
• Facilitated Alibaba-Lazada merger; executed 9-month tech migration [2]
• Search & RecSys [3], product classification, review spam detection, push notifications

IBM
tabular ml
recsys
consulting

2013 - 2015

Data Scientist

• Anti-money laundering, social media analytics, recommender systems

Stack

python
scala
typescript
nextjs
docker
aws
spark
pytorch
opensearch