Senior Lead Machine Learning Engineer -- Current
Capital One Financial
Senior Data Scientist -- March 2021 - February 2023
Brex
Data Science Manager -- November 2020 - March 2021
US Card - Capital One Financial
Principal Data Scientist -- September 2018-November 2020
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.
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.