Sarah Jennings

Data Analyst

Contact

Atlanta, GA

sarah.jennings@email.com

(555) 318-7294

linkedin.com/in/sarahjennings-analytics

github.com/sarahjennings-data

Education

Bachelor of Science in Statistics & Data Analytics

Jan 2014 - Dec 2018

University of North Carolina at Chapel Hill

Skills

A/B Testing

Hypothesis Testing

Cohort Analysis

Regression Modeling

Time-Series Forecasting

Customer Segmentation

Certifications

Tableau Desktop Certified Associate

Jan, 2022

Tableau

Microsoft Certified: Power BI Data Analyst Associate (PL-300)

Jan, 2022

Microsoft

Google Data Analytics Professional Certificate

Jan, 2022

Google

Summary

Insight-driven Data Analyst with 5+ years of experience turning complex, disparate datasets into strategic business decisions and executive dashboards. Proficient in advanced SQL, Python, Tableau, Power BI, and statistical modeling. Proven success in optimizing marketing ROI by 24%, boosting customer retention by 18%, and designing automated ETL reporting workflows that saved 15+ hours of manual operations weekly. Skilled in cross-functional collaboration with product, operations, and finance teams to translate high-level business requirements into actionable quantitative roadmaps.

Work experience

Senior Data Analyst

Sep 2022 - Present

InsightPulse Analytics

Location: Atlanta, GA

Lead the analytics function for consumer subscription products, tracking and optimizing key product metrics (LTV, CAC, MRR, retention, and churn). Designed and automated 12+ enterprise dashboards in Tableau and Power BI connected to Snowflake, delivering daily metrics visibility to executive leadership. Partnered with product and engineering teams to design, launch, and evaluate 35+ A/B experiments, resulting in an 18% improvement in customer conversion funnels. Engineered complex SQL data models and dbt transformations, standardizing metric definitions and reducing query runtime by 45%. Built automated churn prediction and cohort analysis models in Python, identifying critical drop-off points and increasing 90-day retention rates by 12%.

Data Analyst

Jul 2019 - Aug 2022

Horizon Media Group

Location: Charlotte, NC

Analyzed multi-channel marketing campaigns across Google Ads, Meta, and email funnels using SQL and Python, optimizing budget allocation to increase overall ROI by 24%. Consolidated legacy reporting spreadsheets into interactive Looker Studio and Tableau dashboards, saving 15 hours of manual reporting every week. Performed statistical exploratory data analysis (EDA) across 8M+ customer transaction records in BigQuery to uncover high-value consumer behavior patterns. Created data validation scripts in Python to monitor source data integrity, cutting data anomaly reporting errors by 30%. Conducted quarterly operational review presentations to non-technical departmental stakeholders, converting raw findings into clear business strategies.

Junior Data Analyst

Jun 2018 - Jun 2019

Apex Retail Solutions

Location: Charlotte, NC

Extracted and cleaned inventory and sales transaction data from internal relational databases using SQL window functions, CTEs, and joins. Built automated Excel VBA scorecards and pivot reports to assist regional store managers in localized inventory replenishment planning. Documented data dictionaries, metric definitions, and standard operating procedures for reporting intake requests.

Projects

Customer Lifetime Value (LTV) Segmentation Engine

Jan 2018

Developed an RFM (Recency, Frequency, Monetary) segmentation model to classify 250K+ customers into behavioral tiers, identifying actionable cross-sell opportunities that boosted revenue per user by 9%.