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Sebastien Siclait

Unicorn founder

Founder at Clay

Los Angeles, California, United States

FoundedClay$7.1BClay · YC

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About

Sebastien Siclait is a co-founder of Clay (YC W21) and holds a BA in Computer Science from Columbia University. He previously worked at Walt Disney Animation Studios and focuses on the intersection of storytelling and technology.

Founder at ClayYC W21

Intro paths

YC

Sebastien went through Y Combinator (Winter 2021) — any YC alum in your network can reach them through the YC community.

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In turn, Sebastien can intro founders to Clay's investors below.

Clay's investors · 6

Abacus Capital GroupNew YorkCapitalGSan Francisco · $75M – $100M checksHarvard Management CompanyAllstonOpen Opportunity FundAtlanta · $100K – $1M checksThrive CapitalNew York · $500K – $25M checksY CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Clay

PSPhillippe Siclait
Phillippe SiclaitFounder

Founder at Clay

Intro paths

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In turn, Sebastien can intro founders to Clay's investors below.

Clay's investors · 28

Abstract VenturesSan Francisco · $250K – $750K checksAmbush CapitalNew YorkAndreessen HorowitzMenlo Park · $500K – $50M checks · since 2026Blackbird VenturesSydney · $149K – $60M checksBloomberg BetaSan Francisco · $25K – $1M checks · since 2026boldstart venturesMiami · $1M – $3M checks · since 2024BoxGroupNew York · $250K – $1M checks · since 2024Calm/Storm VCViennaCapitalGSan Francisco · $75M – $100M checks · since 2025Charge VCNew York · $250K – $750K checksDST GlobalGeorge Town, Grand Cayman · since 2026EVOLUTIONHong Kong · since 2026Evolution Equity PartnersNew York · $20M – $150M checksFirst Round CapitalSan Francisco · $100K – $20M checks · since 2024Frontline VenturesSan Francisco · $540K – $3.2M checksHubSpot VenturesCambridge · $500K – $5M checksJoyance PartnersBerlinMaple VCSan Francisco · $500K – $1.5M checksMeritech Capital PartnersPalo Alto · $5M – $40M checksNotable CapitalSilicon Valley · $5M – $50M checksNotation CapitalNew York · $400K – $750K checksOperator CollectivePalo Alto · $500K – $1.5M checksPerennial PartnersSydney · since 2026Sapphire VenturesAustin · $5M – $20M checks · since 2025Sequoia CapitalMenlo Park · $100K – $50M checks · since 2024Stepstone GroupCharlotte · since 2026Wellington ManagementBoston · $5M – $50M checks · since 2026Y CombinatorSan Francisco · $500K checks

Co-founders at Clay

KAKareem Amin
Kareem AminFounder
KA
Kareem Amin Varun AnandFounder
NR
Nicolae RusanFounder
PSPhillippe Siclait
Phillippe SiclaitFounder
VA
Varun AnandFounder

Frequently asked questions

Who is Sebastien Siclait?
Sebastien Siclait is a co-founder of Clay (YC W21) and holds a BA in Computer Science from Columbia University. He previously worked at Walt Disney Animation Studios and focuses on the intersection of storytelling and technology.
Where does Sebastien Siclait work?
Sebastien Siclait is Founder of Clay.
What companies did Sebastien Siclait found?
Sebastien Siclait founded Clay, Clay.

Founder mafias

Bridgit mafia2

Also came through, then founded or led a company.

Dustin DeVanBoard MemberFounded Ediphi

Clay mafia2

Also came through, then founded or led a company.

Phillippe SiclaitFounderFounded Clay

About this profile. Compiled from public sources — Clay's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights