
Sébastien Onillon
Customer Success 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 Success Manager, EMEA · Oct 2024 — Present
Helping build a better Internet. Currently working with Enterprise customers in EMEA.
Worked with
Focus areas
Experience
- CloudflareOct 2024 — Present
Customer Success Manager, EMEA
Helping build a better Internet. Currently working with Enterprise customers in EMEA.
- RevevolJan 2018 — Jan 2023
Customer Success Manager, Google Workspace
Managed enterprise accounts including Air Liquide, Solvay and Chronopost — adoption strategy and quarterly business reviews.
- BynderSep 2016 — Jan 2018
Customer Success Manager
Owned adoption plans and QBRs for international enterprise customers, with a focus on reducing churn risk.
- iAdvizeJul 2015 — Sep 2016
Customer Success Manager
Drove e-commerce customer engagement and onboarding, with proactive account health monitoring.
- 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.
See the full picture in my resume.
What people say
“Sébastien supported us in managing our website for five years. He was unfailingly loyal and available, and I believe he played a major role in growing our business. I recommend Sébastien without hesitation!”
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