Hello, I'm Yoshi Man.
I build production AI systems that solve real business problems.
Data science professional shipping LLM-powered products for retail, operations, and supply chain. Specializing in RAG systems, Azure OpenAI, and production deployment.
What I'm Building
- Autonomous AI agents with data analytics deep research capabilities
- Agentic RAG production systems for Hong Kong local SMBs
- AI-enabled business intelligence — exploring how AI transforms the future of BI engineering
Background
- 🎓 Master of Data Science — University of Hong Kong
- 🏅 AWS Certified Machine Learning Engineer (2025)
- 💼 5+ years in data & analytics at CHANEL, Under Armour, Flexport
- 🌏 Based in Hong Kong | English, Cantonese, Mandarin
Recent Writing
What I learnt designing memory for an analytics agent
TL;DR I spent March exploring how memory works in multi-agent systems. I used my friend's dim sum restaurant sales data as my testbed — a small family-run place with a few branches, a couple years of
Mar 15, 2026· 6 min read·memory-managementAI Systems
A few quick lessons from building agentic RAG systems
TL;DR I built an agentic RAG system for a cleaning robot company to help technicians troubleshoot faster using tickets, manuals, and product docs. The biggest thing I learnt: the “agent” part is not
Feb 28, 2026· 6 min read·agentic ragrag chatbot