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Senior Data Analyst

Marcus Liu

I turn messy data into clear decisions. 5 years analyzing customer behavior, building dashboards, and running experiments at growth-stage startups. Proficient in SQL, Python, dbt, and Looker.

Data Analysis SQL Product

Identifying the "Aha Moment"

Cohort analysis revealing the activation metric that predicted 6-month retention.

1 min read

Data Engineering dbt

Building a Self-Serve Analytics Layer with dbt

Creating a modular analytics stack that reduced stakeholder requests by 40%.

1 min read

Experimentation Statistics

A/B Testing Framework

Designing a company-wide experimentation framework with rigorous statistical standards.

1 min read

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Senior Data Analyst

Portfolio 3 entries

Identifying the "Aha Moment"

Building a Self-Serve Analytics Layer with dbt

A/B Testing Framework