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Synthetic Society

YC S25

New York City, US · Founded 2025 · 2 employees · Hiring · 9 known investors

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Synthetic Society provides AI-driven user simulations for software development, enabling teams to test products and catch UX issues during the development phase rather than after release. The platform helps developers accelerate development cycles, reduce manual testing, and gather actionable user feedback through synthetic agents that behave like real users.

Also known as Lizzie AI Inc. · Lizzie AI

AI & Machine LearningDeveloper ToolsEnterprise SoftwareUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S25)

Synthetic Society was founded in 2025 by Kavan Doctor and Aaron Chew.

KDKavan Doctor
Kavan DoctorFounder (YC S25)Kavan Doctor studied computer science at MIT before leaving to start Synthetic Society. He has a background in mathematics, having ranked highly in Canadian math competitions.
ACAaron Chew
Aaron ChewFounder (YC S25)Aaron Chew studied computer science at Columbia before joining fun.xyz as an early employee. He was a finalist in the USA Computing Olympiad.

Investors · 9

Formus Capitallisted by Formus Capital

How we know: the VCSheet dataset · Not right? Tell us

Link Ventureslisted by Link VenturesCambridge · $1M – $8M

How we know: the VCSheet dataset · Not right? Tell us

Mento vclisted by Mento vc

How we know: Mento vc's portfolio page · Not right? Tell us

Pioneerlisted by PioneerToronto, Ontario

How we know: pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Soma Capitallisted by Soma CapitalSacramento · $100K – $300K

How we know: somacap.com · Not right? Tell us

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco
Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Zero Indexlisted by Zero Index

Related companies · 1

Artificial SocietiesSocieties creates AI-powered simulations of human personas and attitudes to enable market research, audience analysis, and consumer insights at scale. The platform synthesizes real-world audience data with artificial intelligence to help businesses understand decision-makers and validate strategies.

Companies working in the same space as Synthetic Society.

Legal entities · 1

corporate structure
Lizzie AI Inc.

In the news

Synthetic Society | Synthetic Users to Simulate Real Usersycombinator.com · Aug 2025

Frequently asked questions

What does Synthetic Society do?
Synthetic Society provides AI-driven user simulations for software development, enabling teams to test products and catch UX issues during the development phase rather than after release. The platform helps developers accelerate development cycles, reduce manual testing, and gather actionable user feedback through synthetic agents that behave like real users.
Who founded Synthetic Society?
Synthetic Society was founded by Kavan Doctor, Aaron Chew in 2025.
Who are Synthetic Society's investors?
Synthetic Society's investors include Eight Capital, Formus Capital, Link Ventures, Mento vc, Pioneer, Soma Capital, Transpose Platform Management, Y Combinator and 1 more.
Where is Synthetic Society headquartered?
Synthetic Society is headquartered in New York City, US.