CISO Conversations: John 'Four' Flynn, VP Of Security And Privacy At Google DeepMind
Security Week, Tuesday, September 30th, 2025
Flynn has been DeepMind's VP of security since May 2024. Before then he had been a CISO with Amazon, CISO at Uber, and director of information security at Facebook.
DeepMind, an AI research laboratory founded in London in 2010, was acquired by Google in 2014. In April 2023, it merged with the Google Brain division to become Google DeepMind.
John Flynn, usually known as 'Four', has been DeepMind's VP of security since May 2024. Before then he had been a CISO with Amazon, CISO at Uber, director of information security at Facebook, and (between 2005 and 2011) manager of the security operations team at Google.