Charles Guillemet is the Chief Technology Officer at Ledger, a company renowned for its security solutions in the blockchain space. Since joining Ledger in 2017, Guillemet has been instrumental in advancing the company's security protocols and technological innovations. His extensive background in cryptography and hardware security has positioned him as a pivotal figure in the industry.
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Who is the CTO of Ledger?
With a robust background in cryptography and hardware security, Charles Guillemet has been a driving force at Ledger since 2017. Before joining Ledger, he served as the Technical Manager at a CEA-LETI ITSEF, a security evaluation lab. Guillemet holds a Master of Science in Cryptography & Security from ENSIMAG, where he was the Valedictorian and also a lecturer. At Ledger, he initially took on the role of Chief Security Officer and was promoted to Chief Technology Officer in 2019.
His contributions include founding the security department and The Ledger Donjon, a security evaluation lab, and securing independent certifications for Ledger's products. His expertise has been pivotal in advancing Ledger's security protocols and technological innovations.
Work History
Charles Guillemet's work history includes a range of positions in the field of security and cryptography. Here is a summary of his professional journey:
- CEA-LETI ITSEF - Technical Manager (2010 to 2017)
- Ledger - Chief Security Officer (2017 to 2019)
- Ledger - Chief Technology Officer (2019 to Present)
Education History
Charles Guillemet's educational background is rooted in a strong foundation in cryptography and security. He earned his Master of Science in Cryptography & Security from ENSIMAG, where he not only excelled academically but also served as a lecturer. His expertise in smart card security was further honed through his teaching role at Grenoble INP - Ensimag, where he taught SmartCard Security to Master II students from October 2015 to October 2017. This blend of rigorous academic training and practical teaching experience has significantly contributed to his deep understanding of cryptographic principles and security protocols.
When did Charles Guillemet join Ledger?
Charles Guillemet joined Ledger in 2017, bringing with him a wealth of experience in cryptography and hardware security. He was appointed as the Chief Technology Officer on December 5, 2019. As of 2023, Guillemet has been with Ledger for approximately six years, during which he has played a crucial role in advancing the company's security protocols and technological innovations.