Sygaldry Technologies
YC X25Ann Arbor, US · Founded 2024 · Delaware corporation · 40 employees on LinkedIn · Hiring · 15 known investors
Find your way into Sygaldry Technologies
307 people in our graph share verified history with the Sygaldry Technologies team — schools, employers, funds. One of them is your warm intro.
Stacey Herounlockedknows Chad Rigetti · together at Yale University, Applied Physics (overlapped)
knows the team · via Yale University, Applied Physics
×10knows the team · via Amherst College
Sygaldry develops quantum-accelerated AI servers that combine multiple qubit modalities to speed up training and inference for AI models. The company targets AI companies and researchers seeking more efficient, cost-effective compute infrastructure.
Advanced ManufacturingAI & Machine LearningHardwareQuantum ComputingUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (X25)
Sygaldry Technologies was founded in 2024 by Chad Rigetti and Idalia Friedson.
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Chad Rigettiin𝕏CEO and co-founderChad Rigetti previously founded Rigetti Computing and worked at IBM. He holds a Ph.D. from Yale and has experience building quantum computing systems.
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Idalia FriedsoninCo-FounderIdalia Friedson previously served as Chief Strategy Officer at Strangeworks and Chief of Staff at Rigetti Computing, following product management roles at Publicis Sapient. She is involved in quantum artificial intelligence policy and ethics initiatives.
Board
CG
Christian Garciain𝕏Investor and Board DirectorBreakthrough Energy Ventures at Breakthrough Energy Ventures
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Michael KeiserBoard director
Investors · 15
Earth Venture Capital
ExpeditionsWarsaw
Garage CapitalWaterloo
MVP VenturesChicago
Page One VenturesSilicon Valley
Qubits VenturesPasadena
SquareOne CapitalMiami
Western Technology InvestmentPortola Valley · $250K – $30M
Y CombinatorSan Francisco · $500K
ZAKA VCSan Francisco
468 CapitalreportedBerlin
Breakthrough Energy VenturesreportedBoston · $500K – $50M
Initialized Capitalreported · 2 sourcesSan Francisco · $1M – $5Mvia Andrew Sather · board
Lombardstreet VenturesreportedWoodside · $500K
Olive Tree CapitalreportedBoston
Reported raises · per SEC filings
Form D private placements$139M disclosed across 1 round · 2026
▶$139MraisedApr 2026 · 165 investors · Other TechnologyRule 506(b)
▶$139MraisedApr 2026 · 165 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Idalia FriedsonDirector
- Chad RigettiExecutive Officer, Director
- Christian GarciaDirector
- Michael KeiserDirector
- Andrew SatherDirector
- Offering amount
- $139M
- Amount sold
- $139M
- First sale
- Mar 2026
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
2 people who came through Sygaldry Technologies went on to found or lead other companies.
Competitors · 2
by search overlap
Academyinvestor5 shared keywordsAIN Ventures (Academy Investor Network) is a pre-seed and seed-stage venture fund investing in dual-use deep tech and veteran-led startups. Its focus sectors include space, civic, healthcare, sustainability, disaster, and defense technology.
PromptLoop4 shared keywordsPromptLoop is a spreadsheet platform that enables users to integrate and run AI models on tabular data to generate insights and automate research workflows. The tool is designed for spreadsheet users seeking flexible, verifiable AI capabilities.
Companies competing with Sygaldry Technologies for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Sygaldry Technologies do?
- Sygaldry develops quantum-accelerated AI servers that combine multiple qubit modalities to speed up training and inference for AI models. The company targets AI companies and researchers seeking more efficient, cost-effective compute infrastructure.
- Who founded Sygaldry Technologies?
- Sygaldry Technologies was founded by Chad Rigetti, Idalia Friedson in 2024.
- Who are Sygaldry Technologies's investors?
- Sygaldry Technologies's investors include Earth Venture Capital, Expeditions, Garage Capital, MVP Ventures, Page One Ventures, Qubits Ventures, SquareOne Capital, Western Technology Investment and 7 more.
- How much funding has Sygaldry Technologies raised?
- Sygaldry Technologies has disclosed $139M raised across 1 round.
- Where is Sygaldry Technologies headquartered?
- Sygaldry Technologies is headquartered in Ann Arbor, US.