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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When your advisor becomes your biggest bottleneck·Jun 9

Startup Pulse·4 messages

The "we're pre-revenue but hiring like we're Series B" trap·Jun 1 - 9

Startup Pulse·2 messages

The "we'll figure it out in post-money" decisions hauntin...·May 23 - 1

Startup Pulse·3 messages

The "interim" hire that's been interim for 18 months·May 15 - 23

Startup Pulse·5 messages

The Series A "growth at all costs" trap I'm seeing·May 9 - 15

Startup Pulse·5 messages