Johnny Liu

I turn messy data into decisions.

I'm Jiachi Liu, a data scientist.

Education

M.S. Data Science and Machine LearningNational University of SingaporeJul 2024 – Jan 2026
B.S. Statistics and EconomicsUniversity of TorontoSep 2020 – Jun 2024

Languages

Frameworks & Tools

ASTAR Singapore · 7 mos
1. Oct 2024 – Apr 2025Graduate Researcher
  Researched EEG-to-Image Generation, supervised by Dr. Xulei Yang and Dr. YangYu.
National University of Singapore · 5 mos
1. Aug 2024 – Dec 2024Teaching Assistant
  Supported DSA3361 (Inferential Data Analytics): R programming help, office-hour concept clarification, and materials design and grading.

Anomaly Detection2025

Anomaly detection for improving heavy-truck failure detection by 70%

Image Generation2025

Decode Brain EEG to Image with Diffusion Models