Letterbook | Customer Service | Standout | Standout

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Letterbook

AI-native customer support platform

San Francisco

2 employees

Customer Service

Seed

Website X / Twitter

About Letterbook

Letterbook is the AI-native alternative to Zendesk, Freshdesk, Zohodesk, and Intercom. We help companies manage and resolve customer support tickets across email, in-app feedback, and website forms. Our AI will triage your tickets, write replies, and build your knowledge base.

Company details

Team Size2

LocationSan Francisco

IndustryCustomer Service

Funding

Last stage

Seed

Investors

Y Combinator

Pioneer Fund

StandoutYBacked by Y Combinator · P26

“LeBron has an agent. Why don’t you?”

— Now you have one too.

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ConnectTwitter / X LinkedIn

Standout.

© 2026 Standout Work, Inc. All rights reserved.

Founders

Ethan Hou

Founder

Dawson Chen

Yale dropout, co-founder and CEO of Letterbook (YC S23). Previously co-founded Martin, an AI personal assistant that grew to 100,000 users.

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.