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Maya Chen
Senior Data Analyst
New York, NY
maya.chen@email.com
+1 212 555 0148
linkedin.com/in/mayachen
Data analyst with 7 years of experience turning complex global business data into clear decisions. Skilled in SQL, Python, Tableau and experimentation, with a track record of improving revenue forecasting, customer retention and operational efficiency across international markets.
EXPERIENCE
Senior Data Analyst — Horizon Global
2022 — Now
• Built executive dashboards tracking $180M in annual revenue across 12 international markets.
• Developed a forecasting model that improved quarterly demand accuracy by 21%.
• Automated recurring reports with Python and SQL, saving analysts more than 30 hours each month.
• Partnered with finance, product and regional leaders to define KPIs and guide growth priorities.
Data Analyst — Northstar Commerce
2019 — 2022
• Analyzed customer behavior across 2.4M transactions and identified retention opportunities worth $3.2M.
• Designed A/B test reporting used by product teams to evaluate more than 45 experiments.
• Created self-service Tableau dashboards adopted by teams in New York, London and Singapore.
Business Intelligence Analyst — Metro Insights
2017 — 2019
• Produced weekly performance analysis for retail and financial-services clients.
• Standardized data-quality checks that reduced reporting errors by 35%.
PROJECTS
Global Revenue Forecast — github.com/mayachen/forecasting
2023
• Created a Python forecasting pipeline combining sales, seasonality and regional market signals.
• Published reusable validation notebooks and documentation for the analytics team.
NYC Mobility Trends
2021
Interactive Tableau analysis of public transportation patterns across New York City.
EDUCATION
M.S. Applied Analytics — Columbia University
2015 — 2019
Coursework in statistical modeling, machine learning, data visualization and business strategy.
B.S. Economics — New York University
2011 — 2015
SKILLS
SQL
Python
Tableau
Power BI
Excel
Statistical modeling
A/B testing
Data visualization
Forecasting
Stakeholder management
LANGUAGES
English (native)
Mandarin (professional)
CERTIFICATIONS
Tableau Certified Data Analyst — Tableau
2023
Google Advanced Data Analytics — Google
2022