MW

Michael Wan

Lead Data Scientist · Deep Learning, LLM & AI Specialist

I build AI systems that optimize enterprise operations — from LLM-powered automation to large-scale optimization engines. I also write interactive explainers on AI and deep learning.

Experience

2024
Mastercard

Lead Data Scientist

Mastercard · Vancouver, BC · Nov 2024 – Present · 1 yr 5 mos

  • Engineered Decision Intelligence Pro (DI Pro) fraud detection platform for credit and debit transactions. Optimized the Databricks ML pipeline and infrastructure, accelerating model training by 3x while significantly reducing operational costs.
2021
OOCL

Senior Data Scientist

OOCL · Hong Kong · Aug 2021 – Sep 2023 · 2 yrs 2 mos

  • Led Customer Service Automation — LLM + RAG with LangChain, cutting email reply time from 5–10 min to seconds.
  • Built EDI AI Developer for GenAI-driven API migration across 20k+ customers — 82% accuracy, 8,000+ human-days saved.
  • Developed Shipment Assignment Optimization via CPLEX — $200M annual profit increase on Trans-Pacific and Asia-Europe routes.
  • Built Customer Demand & Profit Forecast with hierarchical ML (LightGBM / PyTorch).
  • Led 3 concurrent projects with a team of 12 data scientists.
2018
OOCL

Data Scientist

OOCL · Hong Kong · Sep 2018 – Aug 2021 · 3 yrs

  • Collaborated with Microsoft Research Asia on empty repositioning — replaced linear programming with reinforcement and supervised learning.
  • Built Network Optimization Engine using genetic algorithms for container disruption recovery, improving accuracy from 75% to 87%.
2017
OOCL

Software Engineer (ML)

OOCL · Hong Kong · Apr 2017 – Sep 2018 · 1 yr 6 mos

  • Built Empty Repositioning Optimization engine with linear programming — reduced $36M in annual equipment costs (4% of $900M).
2014
OOCL

Software Engineer (Full-stack)

OOCL · Hong Kong · Jun 2014 – Apr 2017 · 2 yrs 11 mos

  • Built core ERP components and customer-facing systems on J2EE/Oracle and MEAN stacks, supporting billion-scale shipping operations.
  • Delivered route cost calculator and sailing schedule search engine processing 30M+ routes.

Education

2020
The Chinese University of Hong Kong

The Chinese University of Hong Kong

Master of Science — Data Science and Business Statistics

2020 – 2022

2011
The Chinese University of Hong Kong

The Chinese University of Hong Kong

Bachelor of Engineering — System Engineering & Engineering Management, Information Technology

2011 – 2014