
[Un]Churned – The No. 1 Podcast for Customer Retention Are CSMs the Next Generation of CEOs? ft. Omer Rabin (TLA Ventures) & Chad Horenfeldt (Siena AI)
Oct 22, 2025
Omer Rabin, a General Partner at TLA Ventures and former Gainsight chief evangelist, teams up with Chad Horenfeldt, VP of Customer Success at Siena AI and author of The Strategic CSM. They discuss the meteoric rise of customer success from a fledgling idea to a billion-dollar industry. Omer shares his belief that the next wave of CEOs will likely emerge from customer success roles. They emphasize the transformative power of AI in regaining strategic focus and highlight the importance of aligning customer success metrics with organizational goals.
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Origins At Pulse Local Events
- Omer and Chad first met at early Gainsight Pulse Local events in Toronto where CS was still nascent.
- Omer remembers being schlepped between Kitchener, Waterloo and Toronto meeting early CS practitioners who shaped the function.
CS Born From Post‑Sale Value Motion
- Omer says CS emerged because selling today requires managing post-sale value, not just closing deals.
- He saw a clear business case: it’s easier to sell another dollar to existing customers than to new ones.
CS Roots: Manual, Service‑Heavy Work
- Chad joined customer success in 2005 when roles were manual and blended with support and services.
- His early title was solutions manager and adoption work was hands-on and expensive.




