Speakers NexSummit 2025

Speakers

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Past
Speakers

DataFest has welcomed some of the brightest minds in data and AI to our stage. Keep an eye out for DataFest 2026 speakers announcements coming soon!

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Hannah Fry

Author, radio & TV presenter
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Cassie Kozyrkov

former Chief Decision Scientist
Google
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Colin Jarvis

Global Head of Forward Engineering
OpenAI
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Christopher Wylie

Cambridge Analytica Whistleblower
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Tim Peake

Astronaut
European Space Agency
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Orlando Machado

Chief Data Officer
the LEGO Group
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Caroline Criado Perez

Campaigner and author of 'Invisible Women'
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Zoe Kleinman

Technology Editor
BBC News
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Dr Maggie Aderin-Pocock

Space Scientist
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Duncan Clark

CEO
Flourish (part of Canva)
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Daniel Hulme

Chief AI Officer
WPP
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Cathy O'Neil

Mathematician, data scientist and author of 'Weapons of Math Destruction'
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Dr Eleanor Drage

Research Fellow
Leverhulme Centre for the Future of Intelligence.
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Ross McNairn

CEO
Wordsmith.ai
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Ian Mackie

CEO
Malted AI
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Caroline Criado Perez

Campaigner and author of 'Invisible Women'
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