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Chad Rigetti

InvestorUnicorn founder

CEO at Rigetti Quantum Computing · Venture Partner at QDNL Participations · CEO at Sygaldry Technologies

Silicon Valley

FoundedRigetti Quantum Computing$4.9B · YCSygaldry Technologies · YC

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About

Quantum computing pioneer and founder of Rigetti Computing who joined QDNL Participations as a Venture Partner in summer 2023, providing the firm with a foothold in Silicon Valley.

Contact· self-published, not guessed

Invests in

Quantum Computing

CEO at Sygaldry TechnologiesYC X25

Intro paths

YC

Chad went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Sygaldry Technologies's batch and knows the company first-hand. YC profile ↗

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In turn, Chad can intro founders to Sygaldry Technologies's investors below.

Sygaldry Technologies's investors · 58

468 CapitalBerlin · since 2026A*San Francisco · $500K – $3M checks · since 2026AIspace VenturesSilicon Valley · since 2026Alumni VenturesManchester · $100K – $10M checks · since 2026AME Cloud VenturesPalo Alto · $1M – $10M checks · since 2026Batch Venturessince 2026Blast.Club$5.5M checks · since 2026Bloomberg BetaSan Francisco · $25K – $1M checks · since 2026Breakthrough Energy VenturesBoston · $500K – $50M checks · since 2026Capitoriasince 2026Collaborative FundNew York · $500K – $1M checks · since 2026DCVC (Data Collective)Palo Alto · $5M – $25M checks · since 2026Detroit Venture PartnersDetroit · since 2026Earth Venture Capitalsince 2026Eight CapitalNorwalk · since 2026ExpeditionsWarsaw · since 2026Flex Capital PartnersSan Francisco · $500K – $2M checks · since 2026Founder CapitalSilicon Valley · $25K – $100K checks · since 2026Garage CapitalWaterloo · since 2026In-Q-TelTysons · $100K – $2.5M checks · since 2026Initialized CapitalSan Francisco · $1M – $5M checks · since 2026Larkin Street CapitalLenexa · since 2026Liquid VenturesSan Francisco · $250K – $5M checks · since 2026Lombardstreet VenturesWoodside · $500K checks · since 2026Lynett Capital PartnersJupiter · since 2026Maiora Rebel Venturessince 2026Michigan Venture CapitalSeoul · since 2026Morpheus VenturesSherman Oaks · $1M – $10M checks · since 2026MVP VenturesChicago · since 2026Olive Tree CapitalBoston · since 2026Orange DAOSan Francisco · since 2026OurCrowdJerusalem · since 2026OvermatchAustin · $2M checks · since 2026Page One VenturesSilicon Valley · since 2026PioneerToronto, Ontario · since 2026QDNL ParticipationsAmsterdam · $324K – $756K checks · since 2026Qubits VenturesPasadena · since 2026Rebel FundSan Francisco · $100K – $5M checks · since 2026Rice CapitalCovina · since 2026Ritual CapitalMenlo Park · $100K – $500K checks · since 2026Rock Yard VenturesBuena Park · $10K – $100K checks · since 2026RRE VenturesNew York · $5M – $15M checks · since 2026Singularity Venturessince 2026Sparkwave Capitalsince 2026SquareOne CapitalMiami · since 2026SV AngelSan Francisco · $150K – $20M checks · since 2026Switch VenturesSan Francisco · since 2026Tekedia CapitalLagos · $1K checks · since 2026Todd and Rahul’s Angel FundSan Francisco · $300K – $500K checks · since 2026Transpose Platform ManagementSan Francisco · since 2026Unpopular VenturesMiami · $100K – $500K checks · since 2026Valkyrie Ventures Management, LlcPark City · since 2026Ventioneers CapitalOakville · since 2026Venture Investment AssociatesPeapack · since 2026Western Technology InvestmentPortola Valley · since 2026Y CombinatorSan Francisco · $500K checks · since 2025Z Venture CapitalTokyo · since 2026ZAKA VCSan Francisco · since 2026

Co-founders at Sygaldry Technologies

IFIdalia Friedson
Idalia FriedsonFounder

CEO at Rigetti Quantum ComputingYC S14

Intro paths

YC

Chad went through Y Combinator (Summer 2014) — any YC alum in your network can reach them through the YC community.

→

In turn, Chad can intro founders to Rigetti Quantum Computing's investors below.

Rigetti Quantum Computing's investors · 42

Agrolimen VenturesAlchemist AcceleratorSan Francisco · $30K checksAlpha Intelligence CapitalSan FranciscoAlumni VenturesManchester · $100K – $10M checksAME Cloud VenturesPalo Alto · $1M – $10M checks · since 2014Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2016AVGBostonBerggruen HoldingsLos Angeles · $200M checksBessemer Venture PartnersSan Francisco · $50K – $100M checks · since 2020Bloomberg BetaSan Francisco · $25K – $1M checksCamford CapitalMenlo ParkCastor VenturesDCVC (Data Collective)Palo Alto · $5M – $25M checksDraper AssociatesSan Mateo · $500K – $5M checksFelicis VenturesSan Francisco · $500K – $15M checksFounders FundSan Francisco · $500K – $5M checksFranklin TempletonSan MateoFundamental VenturesLakewayIn-Q-TelTysons · $100K – $2.5M checksIntegra PartnersSingaporeLux CapitalNew York · $100K – $100M checksMorado VenturesLos Altos · $150K checks · since 2014Morpheus VenturesSherman Oaks · $1M – $10M checksNext VenturesAustin · $500K – $3M checksNorthgate Capital Private CreditDanvillePegasus Tech VenturesSan JoseRuna CapitalLuxembourg · $500K – $5M checksSeabed VCStanford Angels & EntrepreneursSilicon ValleyStartXStanford · $10K – $1M checksStrawberry Creek VenturesManchesterStreamlined VenturesPalo Alto · $100K – $1M checksSummer CapitalCharlestonSusa VenturesSan Francisco · $1M – $5M checks · since 2014Sutter Hill VenturesPalo Alto · $100K – $5M checksTekmen Teknoloji Reklamcilik Yayincilik A.S.LondonThreshold VenturesPalo Alto · $500K – $20M checksU.S. Air Forcesince 2019Vy CapitalDubai · since 2016Western Technology InvestmentPortola ValleyWorldQuant VenturesOld GreenwichY CombinatorSan Francisco · $500K checks · since 2014

Podcasts & interviews

featuring Chad Rigetti

Quantum computing with Chad Rigetti

Y Combinator

Colleagues at QDNL Participations

Charles Marcus
Special Advisor at QDNL Participations
Heleen Dura – van Oord
Entrepreneur and investor
Kris Kaczmarek
Investment Director at QDNL Participations
Nadia Carlsten
Special Advisor at QDNL Participations
Ton van 't Noordende
General Partner at QDNL Participations

Frequently asked questions

Who is Chad Rigetti?
Quantum computing pioneer and founder of Rigetti Computing who joined QDNL Participations as a Venture Partner in summer 2023, providing the firm with a foothold in Silicon Valley.
Where does Chad Rigetti work?
Chad Rigetti is CEO of Rigetti Quantum Computing and Venture Partner at QDNL Participations and CEO at Sygaldry Technologies.
What does Chad Rigetti invest in?
Chad Rigetti invests in Quantum Computing.
What companies did Chad Rigetti found?
Chad Rigetti founded Rigetti Quantum Computing, Sygaldry Technologies.
What podcasts and interviews feature Chad Rigetti?
Tracked appearances include "Quantum computing with Chad Rigetti".

Founder mafias

About this profile. Compiled from public sources — QDNL Participations's own website, press coverage 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