The Proof · Episode 4

Driving funnel growth through customer success

SaaS operator and customer success leader Ben Ó Mathúin explains how customer success should drive revenue, not just react to problems.

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29 April 2026 · 27 min

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What we cover

  • Why churn and weak expansion are usually symptoms of broken go-to-market alignment, not just CS issues
  • How to run an "under the hood" diagnostic across sales, onboarding, product and CS
  • The biggest mistakes founders make building a CS function between Seed and Series B
  • What a high-performing CSM looks like compared with an average one, and how to coach the difference
  • How to build momentum without adding more tools or headcount
  • The reality of HubSpot and modern CS tooling: what works, what doesn't, and where it's heading

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