Aaron Haefner Email & Phone Number

St Louis, Missouri, United States

Chicago, Illinois, United States

- Analyzed billions of Medicare patient claims – constructing Spark data pipelines, developing Python and R statistical models, and preparing technical reports – for health and labor economics publications- Implemented and evaluated time series models of nurse practitioner workforce changes during 2013-2023 for healthcare staffing recommendations to meet patient demand- Extracted 30 years of bond yields from PDFs using OCR and unified the data for interest rate forecasting- Applied neural networks and natural language processing to City of Chicago council meeting minutes, leveraging word embeddings that predicted outcomes of council votes with high accuracy- Automated code testing within a CI/CD framework, reducing time required for manual testing and code review- Established new-hire training SOPs, reducing technical onboarding time from 3 weeks to 1, improving team productivity and reducing turnover costs

Boston, Massachusetts, United States

- Led data science initiatives for Medicaid and Medicare grant applications, resulting in a $250,000 award used to hire researchers and expand computing resources- Leveraged XGBoost for patient risk stratification and cost optimization, identifying treatment alternatives for high-risk patients with 25% potential cost savings- Engineered a DynamoDB database, providing end-to-end management of data shared with 5+ teams- Applied BERT models to 3M+ SEC filings, enabling real-time sentiment analysis of S&P 500 company disclosures- Supervised junior research assistants, delegating and reviewing coding tasks across 2 projects

Greater Boston Area

- Supported consultants in designing compensation strategies that drive talent retention and performance through peer group development, market benchmarking, and regression analysis

- Optimized loan agent operational workflow and case distribution logic, reducing case resolution time by 20% and presented and defended recommendations to a 50 person department including managers and directors

St Paul, Minnesota, United States

- Assisted professors in introductory computer science classes (python) with reviewing and grading code submissions for 75+ undergraduate students

Master Of Science - Ms, Computational Analysis And Public Policy

Bachelor Of Arts (B.A.), Economics

Activities and Societies: Omicron Delta Epsilon, International Economics Honors SocietyAdvanced Coursework: Advanced Econometrics Applied.

Education record