Katie came to Tortoise from the Wall Street Journal, where she was a graphics reporter covering business and technology from New York. Before that she worked at the Financial Times, the Atlantic, and a London-based data visualisation start-up. She’s originally from Chicago, Illinois.
Katie Riley
Data Editor

“As someone whose career sits at the intersection of the news and technology industries, I’ve never been asked to justify my utility at Tortoise. Everyone here knows that there’s more than one way to be a journalist.”
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Thursday 13 April 2023
09:00-10:00 BSTThe Review
Join us at our fortnightly breakfast event that helps Tortoise members and friends make sense of what’s going on in the world, from breaking news and the latest scoops, to the slow burn stories we should be keeping an eye on.
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Tuesday 28 November 2023
World’s largest iceberg breaks free from Antarctica
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Thursday 9 November 2023
House of Lords doubles threshold for declaring shares
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Wednesday 8 November 2023
Off-year US elections deliver win for women
Democrats win big after campaigning on abortion in the reddest of red states
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Thursday 2 November 2023
Idaho trafficking laws used against people seeking abortion care elsewhere
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Thursday 12 October 2023
Republicans nominate Steve Scalise as next Speaker of the House
Scalise will now need to convince 217 members of the house to vote for him
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Friday 29 September 2023
Bad stuff on eBay
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Friday 22 September 2023
Work – for now
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Monday 4 September 2023
Burning man mud
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Thursday 24 August 2023
India 1, Russia 0
The UK can’t build connections fast enough
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Wednesday 23 August 2023
Trans rights and wrongs
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Tuesday 15 August 2023
An Ohio vote shows how abortion could derail Trump
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Thursday 1 June 2023
No good neighbour
State Farm stops insuring Californian homes
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Tuesday 7 March 2023
Sensemaker: Ron’s rules
What just happened
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Sunday 8 January 2023
The Westminster Accounts –Methodology
The process of collecting, analysing and visualising tens of thousands of financial records gets very complicated very quickly – here’s how we did it
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Sunday 8 January 2023
Letting the light in
The fact that all of this data was already public meant that collating it all couldn’t be that hard, right? Wrong. Very wrong
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Sunday 8 January 2023
Come fly, MP
Hidden in plain sight: David “Airmiles” Morris
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Thursday 12 May 2022
10 minute readSensemaker: Who abortion bans hurt
What just happened
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Wednesday 6 April 2022
10 minute readSensemaker: The pay gap gap
What just happened
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Tuesday 29 March 2022
Gas guzzlers
In a climate and energy crisis, the UK’s leaky, old housing stock is an extravagance neither people nor the planet can afford.
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Friday 18 March 2022
10 minute readSensemaker: Moscow mules
What just happened
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Monday 14 March 2022
Shadow whipping: the men who saved Boris
Whipping up support
We’ve charted the changing attitudes of Conservative MPs towards the prime minister over the last two months – with “Partygate” dominating the news for much of that time. The results may surprise you
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Friday 22 October 2021
Can Asia kick its coal habit?
The world’s most populous continent, with its fastest-growing economies, depends on coal. We’ve mapped the data over the last 50 years to try and get a sense of this critical challenge for Asia – and the world
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Tuesday 28 September 2021
The world just missed its first major vaccine target. Here’s why
Ten per cent of every country’s population was meant to be fully vaccinated by the end of this month. But poorer countries, in particular, just haven’t had the doses
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Friday 3 September 2021
The Arms Race: Beta Vaccine Tracker
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Tuesday 5 April 2022
The gender pay gap bot
On International Women’s Day, a Twitter bot drew attention to the gender pay gap in Britain’s biggest companies. But does the data they report tell the full story?