Derek Willis
Derek Willis was a news applications developer at ProPublica, focusing on politics and elections.
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Derek Willis was a news applications developer at ProPublica, focusing on politics and elections. He previously worked as a developer and reporter at The New York Times, a database editor at The Washington Post, and at the Center for Public Integrity and Congressional Quarterly. He began his journalism career at The Palm Beach Post. He is a co-founder of OpenElections, a project to collect and publish election results from all 50 states.
Shedding Some Light on Dark Money Political Donors
Political nonprofits don’t have to disclose the names of their donors. But thanks to a good-government group, you can now find out about nearly $763 million in donations to these “dark money” organizations.
Paying the President
Track the money that goes into the president’s pocket from political campaigns and taxpayers.
New in the Congress API: Lobbying Registrations and More
Our Congress API now lets programmers access lobbying data. It also lets them find congressional press releases that mention bills.
How You Can Keep Track of the Money Political Committees Spend at Trump Properties
Our FEC Itemizer Database now tracks spending at hotels, restaurants and other facilities owned by the Trump Organization.
We’ve Updated FEC Itemizer. See What’s New.
ProPublica’s database of campaign filings now includes spending by political committees at Trump Organization properties.
Reinventing Represent
We asked readers to help us reconceive and redesign an interactive database that tracks Congress. Here’s how the process worked.
Covering the Midterms With Election DataBot
It’s not too early to think about reporting on the midterm elections. Get a head start using our free, near-real-time database.
The Voter Fraud Commission Wants Your Data — But Experts Say They Can’t Keep It Safe
Newly revealed records show sloppy practices that could put millions of people’s information at risk.
New in Our Congress API: Bill Subjects, Personal Explanations and Sunsetting Sunlight
What you need to know about some new features in our Congress API, as well as details on our plans to turn off the Sunlight Congress API on Aug. 31.
New in the Congress API: Congressional Statements and More
Get data on House and Senate press releases and more bill information.