Nicolas Grégoire Pwner, AGARRI
Nicolas Grégoire has been auditing web apps for 20 years. He is an official Burp Suite Pro trainer since 2015, and has trained nearly a thousand people since then, either privately or at public events. Other of that, he runs Agarri, a one-man business where he looks for security vulnerabilities for clients and for fun. His public talks (covering SSRF, XSLT, Burp Suite, ...) have been presented at numerous conferences around the world.