Charles Guillemet
Ledger | Chief Technology Officer
Charles Guillemet joined Ledger in 2017 as Chief Security Officer and was promoted to Chief Technology Officer (CTO) in 2019.
Before joining Ledger, he spent 10 years in the Cryptography & Hardware Security sector, starting with Tiempo, an innovative secure start-up where he designed EAL5+ secure integrated circuits. He then worked as Technical Manager in an Information Technology Security Evaluation Facility (ITSEF) at the CEA, the French Research Organization.
Under Charles Guillemet's engineering leadership, Ledger has become a world-leading security provider in Web3, safeguarding 20% of cryptocurrencies and 30% of NFTs globally.
Charles Guillemet joined Ledger in 2017 as Chief Security Officer and was promoted to Chief Technology Officer (CTO) in 2019.
Before joining Ledger, he spent 10 years in the Cryptography & Hardware Security sector, starting with Tiempo, an innovative secure start-up where he designed EAL5+ secure integrated circuits. He then worked as Technical Manager in an Information Technology Security Evaluation Facility (ITSEF) at the CEA, the French Research Organization.
Under Charles Guillemet's engineering leadership, Ledger has become a world-leading security provider in Web3, safeguarding 20% of cryptocurrencies and 30% of NFTs globally.