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Senior Data Analyst

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.

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Senior Senior Data Analyst

Top Tier Enterprise Co. • 2021 - Present

Led cross-functional initiatives and scaled our core product offerings. Mentored junior team members and established new operational best practices that reduced overhead significantly.

Senior Data Analyst

Growth Startup Inc. • 2018 - 2021

Played a critical role in finding product-market fit. Handled end-to-end execution of our flagship projects from 0 to 1, driving core business KPIs.

Portfolio 3 entries

Identifying the "Aha Moment"
Data AnalysisSQLProduct

Identifying the "Aha Moment"

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

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1 min read
Building a Self-Serve Analytics Layer with dbt
Data Engineeringdbt

Building a Self-Serve Analytics Layer with dbt

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

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1 min read
A/B Testing Framework
ExperimentationStatistics

A/B Testing Framework

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

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1 min read

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