Skip to content
View ZacharyChai's full-sized avatar

Achievements

Achievement: Pull SharkAchievement: Pair ExtraordinaireAchievement: Quickdraw

Achievements

Achievement: Pull SharkAchievement: Pair ExtraordinaireAchievement: Quickdraw

Block or report ZacharyChai

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
ZacharyChai/README.md

Hi, I'm Zachary Chai

Data analytics, financial risk, and automation projects — from credit risk analysis to production data pipelines.

Featured projects

cre-credit-risk — Loan-level credit risk analysis of a live $1.6B CMBS pool ahead of the 2026–2027 maturity wall, built on SEC EDGAR ABS-EE filings.

supply-chain-diversion-risk — Semiconductor trade diversion risk screen for the Singapore/Hong Kong entrepot corridors, scored against UN Comtrade data and the BIS export control timeline.

bridge-pipeline — Production-inspired ETL pipeline: ingests FRED API macroeconomic data into PostgreSQL using Python and SQL, applies transformations, validates data quality with automated tests, and deploys through GitHub Actions CI.

Also here

churn-prediction — Logistic regression / random forest churn model on the IBM Telco dataset.

singapore-michelin-longevity — Longitudinal analysis of Michelin star retention in Singapore across nine editions, examining restaurant survival, promotions, demotions, and cuisine trends.

GSU-Housing-Process — Capstone project redesigning Georgia State University's housing check-in workflow with Lean process improvement.

Pinned Loading

  1. bridge-pipeline bridge-pipeline Public

    Production-inspired ETL pipeline that ingests macroeconomic time-series data from the Federal Reserve (FRED) API into a PostgreSQL warehouse using Docker, GitHub Actions CI, automated testing (pyte…

    Python

  2. churn-prediction churn-prediction Public

    Binary classification model to predict customer churn — Logistic Regression & Random Forest, AUC 0.847

    Python

  3. cre-credit-risk cre-credit-risk Public

    Loan-level CMBS distress analysis of the 2026 maturity wall

    Python

  4. GSU-Housing-Process GSU-Housing-Process Public

    Capstone project improving Georgia State University housing check-in processes. Modeled As-Is and To-Be workflows in Bizagi Studio, reduced non-value-added steps, and streamlined verification to en…

  5. singapore-michelin-longevity singapore-michelin-longevity Public

    Longitudinal study of Michelin star retention in Singapore across nine editions (2016-2025) — who keeps their stars, and why.

    HTML

  6. supply-chain-diversion-risk supply-chain-diversion-risk Public

    Semiconductor trade diversion risk screen: Singapore and Hong Kong entrepot corridors, scored against UN Comtrade data and BIS export control timeline

    Python