Alexandre Esser is a founder-CTO and cybersecurity technologist with over a decade of hands-on experience building secure web platforms and leading engineering teams. As cofounder and CTO of Arsen, he blends behavioral science, realistic social-engineering simulations and AI to help CISOs measure and reduce human risk at scale. His background ranges from full-stack and Ruby on Rails development to security consulting and technical leadership across startups and enterprise clients, where he’s focused on Security by Design. He also co-founded a digital-learning consultancy serving major clients like Orange and Danone, showing an ability to translate technical strategy into commercial projects. Based in Paris, Alexandre pairs product-minded engineering with pragmatic risk management and even applies that investor’s eye to real estate outside work.
11 years of coding experience
9 years of employment as a software developer
Epitech
Master's degree Computer Software Engineering, Master's degree Computer Software Engineering at Beijing Jiaotong University
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