John Madelin

Managing Partner - Digital Security

John has over 30 years of experience in numerous front-line roles which have focused on the design, build, and management of cyber-security, and included intense cyber incident management responsibilities.


John's experience spans across government, banking, retail, manufacturing, and utilities. He is a practical leader who has developed an approach to digital security which focuses on getting the basics right first and building out from there.


His position as a long-standing and respected member of the security community has led to many prominent roles and responsibilities. In recent years, this has included: drafting the UK Government public consultation document on the cyber profession, chairing one of the leading research committees providing cyber security material to the UK Government, and becoming an Oxford Martin Associate on the topic of international co-operation and advising another large national government as a regular panel member.


In his spare time, John loves to travel in his motorhome, has enjoyed racing motorcycles, snowboarding with his two sons, cycling, and spending quality time with his wife.

Industry insights


Couple standing in front of a glowing portal of neon pastel gradient colours
by Tom Burton 25 Apr, 2024
In this article, Tom Burton, a cyber security expert and technology thought leader, addresses the historical roots of our implicit trust in computers. As AI models increasingly begin to mimic human traits such as memory and learning, he asks how we can better manage risk and evaluate trust in an era of AI technology.
by Daniel Fitzsimmons 18 Apr, 2024
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Orange neon bar lights in a V shape or mountain shape
by Jeff Owen 14 Mar, 2024
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