Charles Guillemet – Milestones
Key milestones and important events in Charles Guillemet's history.
4
Total Milestones
2010
Earliest
2026
Latest
16 yrs
Span
Showing 4 milestones for Charles Guillemet
20261 milestone
4
1 Apr 2026
Warned of AI's Threat to Crypto Security
In an interview with CoinDesk, warned that artificial intelligence is making the existing security problems in the cryptocurrency space 'even worse'.
www.coindesk.com/tech/2026/04/05/ai-is-making-crypto-s-security-problem-even-worse-ledger-cto-warns20191 milestone
3
1 Dec 2019
Appointed CTO of Ledger
Was appointed Chief Technology Officer (CTO) of Ledger, responsible for overseeing all of the company's security and technology operations.
www.ledger.com/ledger-appoints-charles-guillemet-as-chief-technology-officer20171 milestone
2
1 Dec 2017
Joined Ledger as Chief Security Officer
Joined Ledger to establish the company's security department as the Chief Security Officer (CSO) and founded the Ledger Donjon security team.
20101 milestone
1
1 Sep 2010
Graduated with MSc in Cryptography & Security
Graduated as Valedictorian with a Master of Science in Cryptography & Security from Grenoble INP - Ensimag.