Thomas Hammer

Data Analyst | Python • SQL • Tableau • Predictive Modeling | Healthcare & Retail Analytics

Castle Rock, Colorado, United States

About

I’m a Data Analyst with a strong academic foundation (BS & MS in Data Science, GPA 3.9) and hands-on experience deriving insights from complex datasets. I specialize in Python, R, SQL, and Tableau to explore, model, and visualize data to support decisions. My most significant project was a healthcare analytics thesis where I analyzed 3,000+ patient records, built predictive models achieving Adjusted R² ≈ 0.94 and RMSE ≈ 5 years, and communicated insights to both technical and non-technical stakeholders. I enjoy solving analytical problems that bridge business questions and data, and I’m seeking Data Analyst opportunities where I can apply my skills to deliver actionable insights.

Experience

  • Store Supervisor at Samsonite
    Jul 2025 - Present · 1 yr 1 mo

    - Analyzed customer preferences and sales patterns to deliver tailored product recommendations and support repeat business. - Monitored daily sales and operational metrics to inform staffing and inventory decisions. - Led and trained team members while maintaining consistent service quality and operational efficiency. - Ensured high data accuracy in sales transactions and inventory tracking.

  • Product Specialist at Skechers
    Jun 2023 - Oct 2023 · 5 mos

    - Assessed customer needs and purchasing behavior to recommend appropriate products. - Processed transactions accurately, reinforcing attention to detail and data integrity. - Supported positive customer experiences through clear communication and problem-solving.

  • General Merchandise Expert at Target
    Sep 2021 - Dec 2021 · 4 mos

    - Supported inventory replenishment and merchandising operations to ensure product availability. - Executed promotional layouts and collaborated with team members to optimize floor efficiency.

  • Volunteer at Appalachia Service Project
    Jun 2019 - Jul 2021 · 2 yrs 2 mos

    Volunteered one week per summer contributing to the improvement of substandard housing in an economically disadvantaged area. Actively involved in construction related tasks leading to the improved quality of life for the residents of the community.