Jonathan Brossard
CTO, Cyber Security Engineer at Conservatoire National des Arts et Métiers
San Francisco, California, France
Summary
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RockstarJonathan Brossard is a French cybersecurity leader based in San Francisco, serving as CTO at Moabi with 14 years of professional experience. He pairs executive leadership with hands‑on offensive security expertise from roles leading red teams and security programs at Salesforce and Change.org. As an associate professor at Conservatoire National des Arts et Métiers, he brings academic rigor and teaching experience into operational security practice. Jonathan also contributes to low‑level open‑source systems — notably improving build systems, clang compatibility and dynamic linking for the Witchcraft Compiler Collection — demonstrating rare depth in compilers and systems engineering alongside security. He excels at translating offensive security insights into auditable, production-ready defenses and strategic technology direction.
14 years of coding experience
6 years of employment as a software developer
Portuguese, Spanish, French, English
Github Skills (13)
c1710
c1110
makefile10
dynamic-linking9
software-distribution8
auto-release8
buildr8
codebuild8
glibc7
scripting7
script7
sh7
shell7
Programming languages (3)
Github contributions (5)
endrazine/wcc
Aug 2016 - Dec 2022
The Witchcraft Compiler Collection
Role in this project:
Back-end & Systems Engineer
Back-end & Systems EngineerContributions:6 releases, 7 reviews, 62 commits in 6 years 5 months
Contributions summary:Jonathan primarily focused on improving the compilation and shell environment for the Witchcraft Compiler Collection. They added support for Doxygen documentation, integrated necessary header files, and fixed build problems with clang. They also refactored the load process in the shell and made modifications to enable the library to handle dynamic linking with glibc. Furthermore, the user enhanced the core functionality with bug fixes, including improvements to argument parsing.
compilercompilerswitchcraft
endrazine/endrazine.github.io
Apr 2019 - Sep 2024
Contributions:155 pushes, 1 branch in 5 years 6 months
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