Jamesin’s Substack

Reconsidering "Self-Made"

I have a strong memory arguing with a friend at 2am in SF, close to 10 years ago now, that someone could be “self-made.”

Dec 4, 2025 • Jamesin Seidel

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October 2025

The Engine Room

We’re launching a new program!!

Oct 14, 2025 • Jamesin Seidel

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1:37

September 2025

Visibility Is the New Moat

Venture capital, and the companies we support, couldn’t exist without moats.

Sep 30, 2025 • Jamesin Seidel

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Where to Look If You’re Looking for a Job

Over the past week, I’ve sent the same email to three different people looking for a job.

Sep 22, 2025 • Jamesin Seidel

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August 2025

Some data I’ve found interesting…

I just spent the week with my older sister, and left reminded of how magnetic a personality she has.

Aug 21, 2025 • Jamesin Seidel

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Summer Hack

There is nothing I love more than when a moment or inside joke lands so perfectly that it unites a group of people.

Aug 7, 2025 • Jamesin Seidel

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July 2025

Chapter One is hiring an SF-based investment partner.

Chapter One - Investment Partner

Jul 29, 2025 • Jamesin Seidel

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AI that was inevitable

This is a feature I’ve been waiting for for the past two years.

Jul 23, 2025 • Jamesin Seidel

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June 2025

I built an AI system to analyze poker videos.

I'm in Vegas right now for the World Series of Poker to play the Ladies' No-Limit Hold'em Event tomorrow.

Jun 25, 2025 • Jamesin Seidel

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Nothing Was The Same

For the past 10 years, I’ve had the same work routine.

Jun 9, 2025 • Jamesin Seidel

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May 2025

What's Working for YC Companies Since the AI Boom.

The goal of this analysis was to understand what’s working for YC companies by looking at which ones have raised Series A rounds.

May 30, 2025 • Jamesin Seidel

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Chapter One - General Partner

I am so excited to announce that I’m becoming a General Partner at Chapter One!

May 20, 2025 • Jamesin Seidel

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