EPISODE · Jun 1, 2026 · 1H 6M
Former Y Combinator President | Geoff Ralston
from Terra API Podcast - Stay Fit, Stay Connected · host Kyriakos Eleftheriou
Geoff Ralston built Rocket Mail before Yahoo Mail existed, built Lala before Spotify worked in America, sat in Steve Jobs' living room to get an acquisition approved, and ran Y Combinator as President. Now he says the most important thing he's ever worked on is making sure AI doesn't kill us.In this episode with Kyriakos Eleftheriou, Geoff speaks about YC, SAIF, the Yahoo acquisition, and the top learnings after decades in silicon valley00:00 Introduction03:45 The $70K bet that built Sand Hill Road06:07 Early to every wave06:59 "The most important thing I've ever worked on"08:18 Timing is luck. Here's how to get lucky anyway10:46 Quitting HP the day he saw the Mosaic browser15:39 Paul Graham's "packets of cash" acquisition rule19:35 The Yahoo revolt that almost killed the deal33:45 Zuck killed Facebook Music in one sentence39:05 Why Steve Jobs offered him a job — and why he said no45:40 Running Y Combinator50:37 Steve Jobs' real superpower54:06 Why AI is more dangerous than people think01:01:15 Peter Thiel is wrong about competition01:03:31 Marc Andreessen is wrong about introspection--Full podcast and writeup → Geoff Ralston on early YC, AI risk, and why Thiel is wrong about competition
What this episode covers
Geoff Ralston built Rocket Mail before Yahoo Mail existed, built Lala before Spotify worked in America, sat in Steve Jobs' living room to get an acquisition approved, and ran Y Combinator as President. Now he says the most important thing he's ever worked on is making sure AI doesn't kill us.In this episode with Kyriakos Eleftheriou, Geoff speaks about YC, SAIF, the Yahoo acquisition, and the top learnings after decades in silicon valley00:00 Introduction03:45 The $70K bet that built Sand Hill Road06:07 Early to every wave06:59 "The most important thing I've ever worked on"08:18 Timing is luck. Here's how to get lucky anyway10:46 Quitting HP the day he saw the Mosaic browser15:39 Paul Graham's "packets of cash" acquisition rule19:35 The Yahoo revolt that almost killed the deal33:45 Zuck killed Facebook Music in one sentence39:05 Why Steve Jobs offered him a job — and why he said no45:40 Running Y Combinator50:37 Steve Jobs' real superpower54:06 Why AI is more dangerous than people think01:01:15 Peter Thiel is wrong about competition01:03:31 Marc Andreessen is wrong about introspection--Full podcast and writeup → Geoff Ralston on early YC, AI risk, and why Thiel is wrong about competition
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Former Y Combinator President | Geoff Ralston
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