Live · Singapore

Wei Chen

Senior Data Scientist

Models that move a metric, explained to the people who use them.

01 · forecast error

−23%

02 · annual savings

S$6m

03 · models in production

12

Summary

I build forecasting and pricing models for a logistics company and work closely with product teams to put them into production.

I care about honest evaluation more than fancy methods.

Track record

  1. 2021 → Present

    Senior Data Scientist · Lumen Logistics

  2. 2018 → 2021

    Data Scientist · GrabFood

Toolkit

  • Python
  • Forecasting
  • Causal inference
  • Experimentation
  • scikit-learn
  • SQL
  • Airflow
  • Communication
“Wei’s forecasts are the reason we stopped over-hiring for peak season.”
VP Operations · Lumen Logistics