Derek Willis is 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.
Get data on House and Senate press releases and more bill information.
We analyzed more than 575 press releases from representatives and senators about the Affordable Care Act and its repeal. Democrats, we found, speak more often and are more united.
Here’s a status update for developers who use the Sunlight Congress API.
We’re relaunching a service that lets you make notifications when some key real-world things happen in Washington.
Politwoops tracks deleted tweets by public officials, including people currently in office and candidates for office.
‘America Comes First’ can’t seem to decide if it’s a PAC or a super PAC, but in either case its federal filings remain problematic.
The America Comes First PAC did not disclose its donors before Election Day. And its top funder is banned from the securities industry.
A status update on the projects we took over from the Sunlight Foundation
How to use a federal election administration data set to cover the U.S. elections.
One way to predict how the 2016 election will run is to look at how things went the last time we elected a president.
This new tool, updated every 15 minutes, collects huge amounts of election data and reports the most interesting details, in real time, about campaign finance filings, congressional votes, polls, forecasts, Google search trends, and more.
There are a thousand stories in every political campaign. Here’s how to find the ones you’re missing.
Officers of ‘Voters for Hillary,’ which raised money but reported no political expenditures, had close ties to a Las Vegas firm that the PAC purportedly hired to run a call center.
The U.S. government’s loose supervision has spawned many problems with super PACs, but helping to tout shares worth a fraction of a cent would be a new one.
You can browse the latest votes and bills, see how often lawmakers vote against their parties and compare voting records.
We’re launching a new interactive database that you can use to track congressional votes, bills and members.
Today we’re announcing changes to our FEC Itemizer database that will help you stay informed about who is spending that money and where they are spending it.
We're making our interactive database of campaign finance filings more stable and adding new features.
Crossroads GPS gets declared a nonprofit five years after applying, meaning that its donor list can remain private.
We’re launching an API that programmers can use to work with election fundraising and expenditure data.