EXPERIENCE

Principal Data Scientist -- Current
Model Risk Office - Capital One Financial

  • Validate machine learning models responsible for credit originations and valuations.

  • Research and development for interpretable machine learning models.

Data Science Intern -- Summer 2018
Stitch Fix Inc.

  • Modeled time evolution of client and item like-rate on the "Style Shuffle” application using recommender systems designed in PyTorch. Saw a two percentage point increase in model predictive power.

  • Edited and managed production ETLs using PySpark that combined client interaction data across multiple data sources and fed them to our recommender system.

  • Analyzed A/B test results targeting increased client engagement using mixed effects models and SQL queries across over 200 million rows. Presented solution to business partners that is driving a doubling of the per-user engagement.

Research Assistant -- Fall 2013 - Spring 2018
University of Wisconsin - Madison

  • Lead publication of four papers and co-authored nine others with 230 citations.

  • Designed and ran large computational models using distributed-memory systems.

  • Managed, visualized, and analyzed results from multiple >100 Gb simulation datasets using custom-built python tools.

  • Mentored undergraduate students on projects using pattern recognition and clustering methods applied to images and multi-dimensional datasets.

  • See the research page for more information.

EDUCATION

Ph.D., Astronomy – May 2018
M.S., Astronomy - December 2015
University of Wisconsin - Madison
Stebbins Award for significant research achievement.

Bachelor of Arts, Physics with an Astronomy Emphasis – May 2013
Macalester College
Dr. Sherman W. Schultz Memorial Award for academic excellence and outstanding research.