Derek Willis

Hi, I’m Derek. I love using data to find and tell stories. And asking questions.

First Release of NCAA WBB 2025-26 Roster Data

A few years ago I started publishing roster data for women’s college basketball, thanks to the assistance of students in my Sports Data Analysis and Visualization class at…

Making Scraping Better with AI Assistance

When I started teaching at Maryland in 2021, one of the first things I did was pull up the university’s Schedule of Classes, something I still do all the time. It’s a…

Interviewing FEC Filings with llm-fecfile

Today I’m releasing a new Python command-line library that allows users to ask questions of federal campaign finance filings by leveraging large language models, with some…