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Matt Stiles

Matt Stiles covered government and politics for the Tribune, with a focus on data journalism, from 2009 to 2011. He oversaw and developed the Tribune’s library of web applications and interactive graphics. Previously, he was a government reporter at the Houston Chronicle. While there, he won the newspaper’s Jesse Award for service journalism and beat reporting and was its reporter of the year in 2007. Before joining the Chronicle, Stiles worked as a reporter for nearly four years at The Dallas Morning News.

Past Contributions

  • Interactive: Congressional Redistricting Maps

    By Matt Stiles

    State lawmakers on Tuesday proposed revised U.S. House districts, a map that could boost Republicans' advantage to 26 seats. Use this interactive to see the changes, and how they would have been affected in the 2008 presidential race. Full Story 

    Credit: Graphic by Matt Stiles / Todd Wiseman

  • TPPF, Empower Texans Tax Filings: 2007-09

    By Matt Stiles

    Internal Revenue Service 990 forms detail revenue and expenses listed by tax-exempt organizations, commonly known as 501(c) groups, named for section in the tax code. These annotated documents were filed by Empower Texans and the Texas Public Policy Foundation — both of whom seek to influence public policy in the Lone Star state — for calendar years 2007-09. Full Story 

    Credit: Jacob Villanueva

  • News App: Search 2011 Congressional Campaign Donors, Contributions

    By Matt Stiles

    Candidates running for U.S. House and Senate races in Texas have raised millions of dollars to fund their campaigns during the 2011-12 election cycle. Use this news application to see which individual donors are helping finance those contests — or download the raw data filed by the candidates to the Federal Election Commission. Full Story 

    Credit: Illustration by Todd Wiseman

  • On the Records: Fundraising Outside Texas

    By Matt Stiles

    Candidates in next year’s U.S. House and Senate elections in Texas raised more than $5 million in the first quarter from individuals. Most live in Texas. But a significant portion came from outside the Lone Star State, according to the Federal Election Commission. California led the way, followed by Virginia, Washington, D.C. and New York. Full Story 

    Credit: Graphic by Matt Stiles

  • Interactive: Texas Senate Redistricting Maps

    By Ross Ramsey and Matt Stiles

    State Sen. Kel Seliger, R-Amarillo, unveiled his proposed Senate redistricting maps this week and opened hearings on them on Thursday with a vote possible Friday. Use our interactive maps to see the proposed changes and who would be affected. Full Story 

    Credit: Graphic by Matt Stiles/Texas Legislative Council

  • Texas Federal Fundraising Map 2011

    By Matt Stiles and Ryan Murphy

    Texas candidates for the U.S. House of Representatives have raised more than $9 million in the first quarter of this year in advance of the 2012 federal elections. This interactive map visualizes campaign finances by congressional district during the first quarter of 2011. Full Story 

    Credit: Illustration by Ryan Murphy / Matt Stiles / Todd Wiseman

  • Interactive: House Redistricting, Before and After

    By Matt Stiles

    The Texas House approved new political maps last week as part of decennial redistricting. In many cases, the newly drawn state House districts changed boundaries so that Republicans could preserve their majority. Use this interactive map graphic the see the changes. Full Story 

    Credit: Graphic by Matt Stiles / Todd Wiseman