Onching Lin
Duluth,GA
Summary
Detail-oriented professional with strong analytical skills in SQL and data visualization. Known for leveraging machine learning to improve sales performance and customer retention, ready to contribute to data-driven strategies that enhance business outcomes.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Senior Data Analyst
Home Depot
Atlanta, Georgia
04.2025 - Current
- Facilitated collaboration among Finance, Operations, Sales, and Strategy teams to enhance data-driven decision-making.
- Analyzed revenue, spending, performance, and operational data to identify trends and insights for stakeholders.
- Evaluated A/B testing impacts across on-site and off-site segments.
- Presented findings through visualizations and written summaries for non-technical cross-functional teams.
- Delivered data-driven recommendations for marketing campaigns and product development initiatives.
Senior Data Analyst
CAC Auto Group
Atlanta, Georgia
04.2024 - 03.2025
- Developed complex SQL queries to analyze large datasets for actionable insights.
- Created dashboards visualizing key performance indicators for management review.
- Analyzed customer data to identify shopping trends and preferences.
- Implemented a classification model using client profiles, increasing used car sales by 20%.
- Generated reports highlighting insights on sales performance and inventory levels.
Data Scientist
Fiserv
Alpharetta, Georgia
09.2022 - 03.2024
- Built client attrition prediction models to capture likely attrit populations, improved customer relations by up to 80%, and raised retention rates by up to 45%.
- Developed a classification model using LTR survey data to classify client loyalty and create visualizations for the client relations department.
- Developed a recommender system for Fiserv’s products using a factorization matrix to find client similarities, and provide product recommendations for our clients.
- Automated all weekly, bi-weekly, and monthly reports, and data visualizations for stakeholders.
- Developed and optimized SQL queries for better performance when working with large datasets.
Education
Master of Science - Analytics
Georgia Institute of Technology
Atlanta, GA12-2022
BBA - Computer Information Systems
Georgia State University
Atlanta, GA05-2020
Skills
- A/B testing
- SQL querying
- Dashboard creation
- Machine learning
- Cross-functional collaboration
- Data analysis
- Trend analysis
- Python language
- Performance metrics
Certification
Google Analytics
Timeline
Senior Data Analyst
Home Depot
04.2025 - Current
Senior Data Analyst
CAC Auto Group
04.2024 - 03.2025
Data Scientist
Fiserv
09.2022 - 03.2024
Master of Science - Analytics
Georgia Institute of Technology
BBA - Computer Information Systems
Georgia State University