About Louis Liu

Louis Liu（柳阳）

Born in August 1987 · From Yancheng, Jiangsu

Personal Blog: louisliu.blog

WeChat Official Account: 路见远思

GitHub: ylouis83

Profile

I am a data & AI engineering leader with over a decade of experience building large-scale data platforms, medical AI systems, and high-performance infrastructure. I currently lead the Data & AI Innovation Team at Ping An Good Doctor, driving group-level AI initiatives and big data architecture.

Highlights

Led deployment of the AI Doctor, serving tens of millions of users with 98% diagnostic accuracy, reducing doctor labor costs by 52%.
Core contributor to Ping An Group’s four major medical databases, covering 270M+ users.
Architected a 15PB+ lakehouse platform supporting 10,000+ daily offline jobs and tens-of-millions TPS real-time systems.
Led dual-active data center upgrade (99.99% availability) and 2024 data center migration, saving ¥50M+ annually.
Built internal AI infra: inference platform, agent orchestration, MCP hub, audio/video AI, and 50% AI coding adoption (Group #1).
Manage a 30+ multi-functional engineering team across big data, AI, risk control, and core business systems.

Experience

Ping An Good Doctor

Head of Data & AI Innovation · 2021–Present

Member of Group Big Data & AI Committee.
Lead data infra, real-time systems, and the Group’s medical databases.
Drove medical LLM training (200B tokens) and AI Doctor rollout across multiple channels.
Built internal AI platforms and upgraded core business systems (payment, search, customer service).

Head of Big Data & Database Team · 2020–2021

Built dual-active architecture; led big data R&D and DBA teams.

Database Team Manager · 2014–2020

Responsible for DB and big-data platform architecture for tens-of-millions DAU services.

Yihaodian

Database Architect · 2011–2014

Chief DBA for a top-3 e-commerce platform; delivered HA tools and architecture design.

Tianji Technology (300245)

Database Expert · 2011

Delivered database solutions for clients such as China Mobile, UnionPay, and Shanghai Police.

Education

Wuhan Institute of Technology

B.S. in Computer Networks · 2006–2010

Certifications

Oracle OCM (2010) · Member of Oracle Young Experts
ITIL Foundation (2014)