Letterbook
YC S23San Francisco, US · Founded 2023 · 2 employees · 1 known investors
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1,370 people in our graph share verified history with the Letterbook team — schools, employers, funds. One of them is your warm intro.
Paul Kwanunlockedknows Dawson Chen · together at Stanford University (overlapped)
knows the team · via Yale University
×6knows the team · via Y Combinator
knows the team · via Berkeley Artificial Intelligence Research
knows the team · via NASA - National Aeronautics and Space Administration
×2knows the team · via The Harker School
Letterbook is an AI-native customer support platform that integrates with email inboxes, databases, and payment systems to help teams manage and resolve support tickets. It provides omnichannel ticket management, automated triage, and AI-assisted resolution for teams scaling fast.
Also known as Martin · Usher
AI & Machine LearningEnterprise SoftwareSaaSCustomer ServiceCustomer SupportAIUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S23)
Letterbook was founded in 2023 by Dawson Chen and Ethan Hou.
DC

Investors · 1
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Frequently asked questions
- What does Letterbook do?
- Letterbook is an AI-native customer support platform that integrates with email inboxes, databases, and payment systems to help teams manage and resolve support tickets. It provides omnichannel ticket management, automated triage, and AI-assisted resolution for teams scaling fast.
- Who founded Letterbook?
- Letterbook was founded by Dawson Chen, Ethan Hou in 2023.
- Who are Letterbook's investors?
- Letterbook's investors include Y Combinator.
- Where is Letterbook headquartered?
- Letterbook is headquartered in San Francisco, US.





