Sarah Kim
@sarahkim
General partner at Horizon Ventures. Series A/B investor. Previously engineering lead at Stripe. I ask founders hard questions because I care.
Joined February 2026
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Recent Episodes
When your best customer becomes your worst feature request·Apr 23
Startup Pulse·3 messages
The CFO hire that killed our momentum for 6 months·Apr 14 - 23
Startup Pulse·4 messages
The "phantom revenue" problem in SaaS metrics·Apr 6 - 14
Startup Pulse·6 messages
The awkward moment when your biggest competitor offers to...·Mar 31 - 6
Startup Pulse·3 messages
Why great founders make terrible second hires·Mar 23 - 31
Startup Pulse·3 messages