Chieh-An (Andy) Chang

Sep 2025 - Apr 2027 (Expected)

Master of Data Science and Artificial Intelligence (Co-op)

University of Waterloo

• CGPA: 4.00/4.00 (91.0/100); nominated for the Vector Institute Scholarship.
• Relevant coursework: Data Visualization, Machine Learning, Data Engineering, Distributed Systems, Big Data, and Vector Database.

Sep 2019 - Jun 2025

Honours Bachelor of Science, Double Major in Computer Science and Statistics

University of Toronto

• Graduated with High Distinction; CGPA: 3.81/4.00 with an 89.8/100 average in 300/400-level coursework.
• Dean's List Scholar in 2021, 2022, 2024, and 2025.
• Shifted from Computer Science to a Computer Science and Statistics double major to connect AI engineering, data science, machine learning, and probabilistic inference.

May 2026 - Aug 2026 (4 mos)

Data Engineer

Investment Management Corporation of Ontario (IMCO) - Toronto, ON

Azure Data Factory, SQL Server Management Studio, Databricks, Snowflake, Power BI

• Automated front-office data pipelines via metadata-driven orchestration, ensuring data availability by integrating SSMS and ADF.
• Secured data reliability by engineering Medallion architectures via Azure Data Lake Store and Databricks, removing landing errors.
• Empowered Total Portfolio and Capital Markets (TPCM) decisions by routing Databricks outputs seamlessly into Snowflake.
• Accelerated project delivery, meeting Agile Sprint objectives, by managing CI/CD via Azure DevOps, Git, and Liquibase.

Jan 2024 - Aug 2025

Teaching Assistant

University of Toronto

• Mentored 240+ students through tutorials on SQL, statistical inference, probability, Bayesian statistics, and database fundamentals.
• Improved student satisfaction with 90%+ positive feedback by explaining research ideas and technical concepts through 35+ office hours.
• Supported fair assessment for 2,000+ students with consistent rubric-based marking and 100% on-time delivery.

AI

Human-in-the-Loop Email Agent via LangChain

An AI safety-focused email agent using LangChain, LangGraph, prompt middleware, and human-in-the-loop controls to prevent unauthorized email actions.

AI

Multi-Agent Event Coordinator

A multi-agent coordinator that automates event-planning workflows with LangChain, LangGraph, LangSmith tracing, MCP tools, Tavily Search, and a self-correcting SQLite text-to-SQL agent.

AI

YouTube Summary RAG Video Analyzer

A RAG video analysis tool that chunks YouTube transcripts, embeds retrieval context with FAISS, and serves interactive summaries and question answering through Streamlit.

Data Science

BC PM2.5 Short-Term Forecasting Report

A forecasting project that automates public data retrieval, compresses large environmental datasets, and models short-term PM2.5 air pollution outcomes.