Chema Alonso
Spanish executive and hacker
- Born
- 1975, Madrid
José María "Chema" Alonso Cebrián (born 1975) is a Spanish computer‑security researcher and technology executive. He led Telefónica's cybersecurity unit ElevenPaths in 2013 and later served on the company's executive committee as Chief Data Officer and Chief Digital Officer between 2016 and 2025.
Chema Alonso’s social media accounts
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