Sébastien Onillon

Sébastien Onillon

Customer Experience Manager at Cloudflare

Hi, I'm Seb! Currently based in France, I love turning challenges into solutions, driving adoption, and building long-lasting, value-driven partnerships. I thrive in fast-paced, international environments where customer success fuels business success.

I speak French (native) and English (fluent)

Currently at

Customer Experience Manager · July 2026 — Present

Previously Customer Success Manager · Oct 2024 — July 2026

Worked with

Focus areas

  • Customer Success
  • Enterprise Accounts
  • Cloudflare
  • Google Workspace
  • SaaS Adoption
  • Business Reviews
  • WordPress

Experience

    1. Customer Experience ManagerNew role

      July 2026 — Present

    2. Customer Success Manager

      Oct 2024 — July 2026

      Helping build a better Internet. Currently working with Enterprise customers in EMEA.

  1. RevevolJan 2018 — Jan 2023

    Customer Success Manager, Google Workspace

    Managed enterprise accounts including Air Liquide, Solvay and Chronopost — adoption strategy and quarterly business reviews.

  2. BynderSep 2016 — Jan 2018

    Customer Success Manager

    Owned adoption plans and QBRs for international enterprise customers, with a focus on reducing churn risk.

  3. iAdvizeJul 2015 — Sep 2016

    Customer Success Manager

    Drove e-commerce customer engagement and onboarding, with proactive account health monitoring.

  4. WP FairlyMay 2016 — Sep 2024

    Founder

    Started as a side project alongside my full-time Customer Success roles, then became my main business for a few years.

What people say

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