John Graham-Cumming
British programmer; Cloudflare board member and its CTO until March 2025; wrote POPFile.
At a glance
Roles
Cloudflare (board)
See all 2
Also on this page: Key facts · Links · Sources · Related pages
- John Graham-Cumming is a British software engineer and writer.
- Graham-Cumming started the 2009 petition that led Gordon Brown to apologise for the treatment of Alan Turing.
- Graham-Cumming was Cloudflare's CTO until March 2025 and sits on its board as of 2025.
- Graham-Cumming co-founded Electric Cloud and wrote the open-source spam filter POPFile.
Key facts
- Education
- BA in Mathematics and Computation and DPhil in Computer Science (1992), University of Oxford1
- Cloudflare
- Chief Technology Officer until March 2025; member of the board of directors as of 20251
- Companies
- Co-founder of Electric Cloud1
- Software
- POPFile email spam filter; GNU Make Standard Library1
- Books
- The Geek Atlas; The GNU Make Book1
- Projects
- Turing apology petition (2009); Plan 28, to build Babbage's Analytical Engine (from October 2010)1
Roles
On the board of
Before
Part of until Mar 2025
Cloudflare (Chief Technology Officer) source on Cloudflare
Links
Sources
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