Glossary entry
CSM
Also known as Customer Success Manager
The post-sale account owner — responsible for adoption, retention, expansion, and renewal. The role that turned from cost-center to revenue-driver between 2018-2024. Modern CSMs carry NRR targets, run QBRs (quarterly business reviews), and partner with AEs on expansion deals. The CSM-to-customer ratio varies widely: 1:50 for tech-touch, 1:5 for strategic accounts.
01Definition
TLDR
The post-sale account owner — responsible for adoption, retention, expansion, and renewal. The role that turned from cost-center to revenue-driver between 2018-2024. Modern CSMs carry NRR targets, run QBRs (quarterly business reviews), and partner with AEs on expansion deals. The CSM-to-customer ratio varies widely: 1:50 for tech-touch, 1:5 for strategic accounts.
02Why it matters
Net Revenue Retention lives or dies here. The CSM is the relationship that determines renewal probability.
03Example
Worked example
CSM at $25M ARR SaaS owns 30 accounts, runs QBRs quarterly, partners with AE on 4 expansion opportunities per quarter.
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