Alexi Mostrous worked at The Times and at the Guardian for 13 years in roles including Head of Investigations and Saturday News Editor, before joining Tortoise Media as a partner in September 2019. In 2013 he won News Reporter of the Year and Scoop of the Year for exposing celebrities such as Jimmy Carr and Gary Barlow as aggressive tax avoiders. In 2018 he was nominated for the same awards for his reporting on Google and Facebook. He has reported from both London and Washington DC as a Stern Fellow for the Washington Post. Previously a barrister, Mostrous studied English at Cambridge.
Alexi Mostrous
Investigations Editor

“In a world of Facebook clickbait, Twitter streams and iPhone alerts, in-depth journalism has never been more important. As an investigative reporter, it’s great to work for an organisation which takes the time to look beyond the headlines and tell important stories in new and innovative ways.”
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Tuesday 16 March 2021
08:00-09:00 GMTToxicity in tech: Why are Google’s leading AI ethics researchers being ‘silenced’?
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Thursday 25 March 2021
09:00-15:00 GMTThe Future of Cars Summit
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Tuesday 2 February 2021
08:00-09:00 GMTThe Battle for Truth: Who will save the internet?
In the first ThinkIn of our Battle for Truth series we are asking – who will save the internet?
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Thursday 25 February 2021
08:30-14:50 GMTThe Future of Money Summit
Join us an invited experts to discuss the big questions about the future of money
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Thursday 3 December 2020
08:30-14:00 GMTThe Global AI Summit
On 3rd December, second Global AI Summit will imagine a world with AI at its core.
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Monday 26 October 2020
18:25-19:30 GMTThe future of information: what is saved, what’s deleted and who decides?
Once you share something online, is it really out there forever?
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Tuesday 6 October 2020
07:55-09:00 GMTIs a more automated job market less fair?
Breakfast ThinkIn: is a more automated job market less fair?
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Thursday 25 February 2021
Tax and Honour
A very British racer
Sir Lewis Hamilton was knighted despite living in a tax haven. Did the decision set a dangerous precedent?
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Friday 12 February 2021
Money & monarchy
‘Hoodwinked’ over Royal finances
The royal family’s income from the taxpayer has soared since the financial crisis, a Tortoise Investigation found last year. Now the UK’s former top civil servant says there’s been a deliberate attempt to keep the public in the dark
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Thursday 10 December 2020
The Tortoise Global AI Summit: the Readout
We very much hope that you were able to join us at the Global AI summit last Thursday. We had more than 1,500 guests tune in to catch the results of the 2020 Tortoise Global AI Index, to discuss the geo-politics of AI, to examine its impact on talent, investment, and the most recent technological breakthroughs
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Wednesday 5 August 2020
Infodemic II
Going viral
Robert Kennedy Jr’s transformation from hero environmentalist to anti-vaxx superstar
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Tuesday 30 June 2020
Money & monarchy
Family misfortunes
Money is at the root of most of the royals’ problems
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Monday 29 June 2020
Money & monarchy
Royal Flush
The royal family has more than doubled its income in the past 12 years, and is expecting a windfall of half a billion. Yet tensions in the family over money remain
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Wednesday 3 June 2020
Tech Nations: Amazon
At war:
Amazon in the pandemic
How Jeff Bezos steadied his empire when Covid-19 hit – and whether he paid enough attention to employee safety – will be a defining moment for the billionaire and his Everything Store
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Tuesday 2 June 2020
Tech Nations: Amazon
The flywheel:
Inside Amazon’s economy
Amazon is not just a player in the market – it is the market, growing in momentum every year. Now, anti-trust regulators are racing to catch up
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Monday 1 June 2020
Tech Nations: Amazon
Welcome to the United States of Amazon
The tech giants have as much money and influence as nation states. What if we reported on these companies like countries?
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Monday 23 March 2020
Infodemic-1
Fake news in the time of C-19
From miraculous cures to paranoid conspiracies, our investigation reveals how misinformation about coronavirus is going viral at a disturbing rate
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Thursday 9 January 2020
Tech Nations: Apple
Sourcing and further reading
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Thursday 9 January 2020
Tech Nations: Apple
Part VIII
Artificial Intelligence: Hey Siri, what’s the story?
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Thursday 9 January 2020
Tech Nations: Apple
The new superpowers: Apple
The big technology corporations are more than companies, they’re global powers. It’s time we treated them that way
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Wednesday 8 January 2020
Tech Nations: Apple
Part V
Cultural affairs
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Wednesday 8 January 2020
Tech Nations: Apple
Part VI
Domestic policy: facing both ways
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Tuesday 7 January 2020
Tech Nations: Apple
Part III
The economy: who gets rich?
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Tuesday 7 January 2020
Tech Nations: Apple
Part II
Apple’s constitution
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Tuesday 7 January 2020
Tech Nations: Apple
Part IV
Foreign policy: The great game
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Monday 6 January 2020
Tech Nations: Apple
Welcome to Apple
A one-party state
The tech giants have as much money and influence as nations. So what if we reported on them like countries? What would Apple be? A liberal China…
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Monday 6 January 2020
Tech Nations: Apple
Part I
Leadership: Inside the politburo
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Monday 22 February 2021
A very British business
Sir Jim Ratcliffe is one of Britain’s richest men. His decision to move to Monaco after receiving a knighthood has angered those who recommended him and raises questions about how this country’s honours system works
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Friday 10 July 2020
Covid.com: digital change and opportunity post-pandemic
In the midst of the crisis, we held a ThinkIn on how we can already see a landscape of economic and governmental uncertainty stretching ahead of us. How can digital technology be best deployed to build economic resilience and nimble government in the new era?
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Thursday 4 June 2020
Inside Amazon: A superpower in a pandemic
What’s in the Amazon box? We open up the world’s biggest company and take a look inside