Patrick Ventuzelo
Founder & CEO Security Researcher Trainer at FuzzingLabs
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolPatrick Ventuzelo is a founder and CEO based in Paris with 11 years of hands-on experience in offensive security, vulnerability research, and fuzzing, leading FuzzingLabs to a ~28-person team delivering audits, bespoke fuzzers and training. He blends deep technical practice—Rust/Go/C/C++/WebAssembly reversing, binary analysis and telecom/Blockchain fuzzing—with product work such as a 4G/VoLTE/5G fuzzer and Web3 deanonymization tooling. A prolific practitioner of robust code hygiene, he has contributed fuzzers and error-handling improvements to high-profile open-source WebAssembly runtimes like Wasmer and Wasmtime. Patrick regularly teaches and speaks at conferences, running advanced courses on Rust security, browser and WebAssembly fuzzing, and has a background in malware analysis and national-defense fuzzing projects. He combines entrepreneurial leadership with continued R&D, often moving research prototypes into practical security services and tools.
11 years of coding experience
3 years of employment as a software developer
Master Spécialisé Sécurité de l'Information et des Systèmes (MSSIS), Master Spécialisé Sécurité de l'Information et des Systèmes (MSSIS) at ESIEA - École d'Ingénieur·e·s d'un numérique utile
French, English
Github Skills (13)
testing10
fuzzing10
error-handling10
blazor-webassembly10
wasmtime10
webassembly10
rust10
cran10
jit9
runtimes8
wasi8
lit8
aot7
Programming languages (12)
Github contributions (5)
wasmerio/wasmer
Sep 2019 - Dec 2019
🚀 Fast, secure, lightweight containers based on WebAssembly
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:52 commits, 21 PRs, 78 comments in 3 months
Contributions summary:Patrick primarily contributed to the Wasmer project by implementing and refining fuzzing tests. They added a new fuzzer for the `validate_wasm` function, and a separate fuzzer for the `compile` method. Additionally, the user addressed runtime errors by replacing panics with `Err` returns. They also made updates to the `wasmer.rs` file by addressing error messages.
emscriptenwindowsrustwasmerjavascript
bytecodealliance/wasmtime
Dec 2019 - Dec 2019
A lightweight WebAssembly runtime that is fast, secure, and standards-compliant
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits, 3 PRs, 32 comments in 14 days
Contributions summary:Patrick primarily focused on refactoring and improving the error handling within the `lightbeam` component of the `wasmtime` repository. They replaced `expect` calls with more robust error handling mechanisms, using `Result` types extensively. These changes involved modifications to several core backend modules and functions, indicating a focus on code quality and stability. Additionally, the user updated the wasmparser dependency and fixed corresponding errors, suggesting a role in maintaining the project's compatibility with underlying libraries and standards.
securejitcraneliftrustruntime
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