Matthew was US Ambassador to Sweden and then the UK.
Matthew Barzun
Co-founder & Chairman

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Thursday 17 June 2021
We need to rethink power
Old ideas of top-down and bottom-up are no longer fit for purpose. The time has come (again) for an even older idea: interdependence
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Friday 18 August 2023
Why is the US failing Afghan refugees?
Plus: the ongoing impact of the PSNI data breach and what makes Elon Musk a “space dictator”
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Thursday 8 June 2023
Ukraine dam explosion, Saudi sport washing and economic policy
James Harding is joined by Tortoise editors Jess Winch and Giles Whittell, and Tortoise chairman Matthew Barzun who was US ambassador to London. In this episode they discuss the Kakhovka dam, the real difference between the economic policies of major political parties and golf’s PGA Tour merging with its Saudi-backed rival LIV Golf.
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Friday 9 September 2022
An audience with the Queen
Editor James Harding is joined by Tortoise co-founder Matthew Barzun, the former US Ambassador to the UK, to reflect on the meaning of the death of Queen Elizabeth II