Matt Stiles — Click for higher resolution staff photos

Matt Stiles covers government and politics with a focus on data journalism, and he oversees and helps develop the Tribune's library of web applications and interactives. 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.

Recent Contributions

Graphic by Matt Stiles / Todd Wiseman

Interactive: Congressional Redistricting Maps

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.

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Jacob Villanueva

TPPF, Empower Texans Tax Filings: 2007-09

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.

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Illustration by Todd Wiseman

News App: Search 2011 Congressional Campaign Donors, Contributions

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.

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Graphic by Matt Stiles/Texas Legislative Council

Interactive: Texas Senate Redistricting Maps

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.

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Illustration by Ryan Murphy / Matt Stiles / Todd Wiseman

For Congress, Fundraising Can Never Begin Too Early

Members of Congress from Texas — and potential candidates for those offices — have raised more than $9 million in the first quarter of this year in advance of the 2012 federal elections, campaign records show.

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Illustration by Ryan Murphy / Matt Stiles / Todd Wiseman

Texas Federal Fundraising Map 2011

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.

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Graphic by Matt Stiles / Todd Wiseman

Interactive: House Redistricting, Before and After

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.

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Illustration by Todd Wiseman

Interactive: Texas House Redistricting Proposal

The House Redistricting Committee and its chairman, state Rep. Burt Solomons, R-Carrollton, have revised the current Texas House map. Use this interactive table to see which districts changed the most politically under the proposal, which is set for debate today.

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Illustration by Todd Wiseman

First House Redistricting Maps Presented

The first House redistricting maps are out, creating one new Latino district, keeping the current number of black opportunity districts and pairing 16 incumbents in districts where they would face one of their colleagues in the 2012 elections.

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Graphic by Matt Stiles

Interactive: U.S. Speed Limits by State

The Texas House today passed a bill allowing TxDOT to increase the speed limit on certain highways to 85 miles per hour. These interactive maps visualize the vehicle speed limits set by states on rural interstates, with darker shades representing higher speeds.

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Maltese puppies Nicholas Wang

Interactive: State Lawyer's Facebook Posts

She’s volunteered at Emancipet, an Austin animal rescue group. Her Facebook page is populated with posts from animal rights groups. And she’s an attorney for the state’s regulating agency who is helping to draft a bill that dog breeders say is designed to kill their industry.

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