Matt Yorkilous

Senior Data Analyst @ Capital One

Washington DC-Baltimore Area

About

I’m a data analyst who likes solving complicated problems with solutions that feel obvious. I’ve worked in economic consulting and internal audit, using Python, R, SQL, and statistical modeling.

Experience

  • Senior Data Analyst at Capital One
    Jul 2025 - Present · 1 yr 1 mo

  • Travel at Career Break
    Aug 2024 - Dec 2024 · 5 mos

    Took a five-month sabbatical to travel and focus on personal and professional growth. Alongside exploring new cultures, I worked on coding projects and advanced my skills in Python, Machine Learning, Version Control, and Automated Testing.

  • NERA Economic Consulting (3 yrs 1 mo)
    • Analyst
      Jul 2023 - Jul 2024 · 1 yr 1 mo

      • Designed and implemented statistical models and regression analyses in R and Stata to support antitrust litigation and merger reviews. • Developed scalable data solutions in R and SQL to process and analyze large client datasets, improving efficiency and reproducibility of analyses. • Authored an internal R package to standardize workflows and automate repetitive tasks, reducing analysis time and enhancing consistency across teams. • Mentored and led trainings for junior analysts in statistical modeling, coding best practices, and efficient data manipulation in R, Python, and SQL. • Communicated technical findings to non-technical audiences, including lawyers and regulatory authorities, ensuring clarity and accessibility of complex data insights.

    • Associate Analyst
      Jul 2022 - Jun 2023 · 1 yr

      • Designed and executed complex SQL queries to extract, transform, and analyze large-scale client data for litigation support. • Developed automated data pipelines in R and Python to streamline antitrust economic modeling, improving efficiency and adaptability in fast-paced projects. • Created automated workflows for regression analyses, summary tables, and visualizations in R, enhancing reporting accuracy and decision-making.

    • Research Associate
      Jul 2021 - Jun 2022 · 1 yr

      • Built regression models to estimate overcharges due to cartels, contributing to economic damages analysis that resulted in significant settlements in high-profile cases. • Processed and cleaned large datasets (including 100GB+ files) using R and Python for regulatory compliance and economic modeling. • Developed reproducible workflows for data preparation and analysis, ensuring transparency and accuracy in regulatory submissions.

  • University of Virginia ()
    • Economics Research Assistant
      Aug 2020 - Jul 2021 · 1 yr

      • Analyzed and cleaned large crime incident datasets using Stata, Python, and Excel to support empirical research on domestic violence trends. • Conducted statistical analysis to examine the effects of COVID-19 on domestic violence and the impact of attending elite universities on lifetime income. • Collected and integrated data from diverse sources, including city police departments, the Facebook Marketing API, and online directories, ensuring accuracy and completeness for economic analysis.

    • Economics Tutor
      Aug 2019 - Jul 2021 · 2 yrs

      • Developed detailed lessons and taught supplemental content to more than ten students weekly. • Communicated difficult economic and technical concepts in clear, easy-to-understand ways. • Effectively transitioned to teaching online in response to the COVID-19 pandemic.

  • Barista at King Street Coffee
    Jun 2019 - Jul 2021 · 2 yrs 2 mos

    • Interacted with customers and prepared specialized drinks in a fast-paced environment.