John Graham-Cumming
CTO
Cloudflare
John Graham-Cumming is CTO of Cloudflare, a company specializing in data protection and security. As a programmer, he has worked in Silicon Valley and New York, the UK, Germany and France. His open source POPFile program won a Jolt Productivity Award in 2004, and he is the author of a travel book for scientists published in 2009 called The Geek Atlas and has written articles for The Times, The Guardian, and many more.
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