Hello, I'm

Maxence (Collard) Lagalle

Statistician-administrator, Insee

As deputy to the Chief Information Security Officer (CISO), I am in charge of accreditation, with a taste for software development and teaching.

I like getting involved in projects that serve the public good.

Portrait of Maxence Lagalle

I have been an attaché statisticien at Insee, the French national statistics institute, since 2020. Since September 2026, I have been in charge of the accreditation of information systems: I work with business and IT teams so that every system goes live with its risks understood and its security measures decided.

Before that, I led the IT delivery of the modular overhaul of insee.fr, after two years as a developer on the site. My background includes household surveys, econometrics research and running a small company.

I teach computer science at ENSAI, run internal training courses, notably on Git, and share what I learn in seminars and on this site.

At a glance

  • Security and accreditation

    Leading accreditation processes for information systems, risk analysis following the French national cybersecurity agency (ANSSI) method, preparing accreditation boards.

  • insee.fr overhaul

    Modular architecture on containers, page-by-page migration through a custom-built router, new Elasticsearch search engine.

  • Agility, quality and accessibility

    Scrum Master, Heart of Agile, advanced Opquast certification, digital accessibility auditor (RGAA).

  • Teaching and sharing

    Tutorials and project supervision at ENSAI, exam juries, internal training, seminars, course material published on this site.

A chat, a question, a talk?

Drop me a line, I'm happy to reply.

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