Marion Videau, PhD, is the Chief Scientific Officer at Quarkslab and a cryptologist, on secondment from the University of Lorraine, France, where she was an associate professor in computer science. She is also an external researcher in the Lorraine Research Laboratory in Computer Science and its Applications. She also worked for the French National Agency for Computer Security in the cryptography team for 4 years. Her research interests range from obfuscation through algorithmic number theory, boolean functions, cryptographic systems and interactions between cryptography and the law.