GUILD was founded by Kaya Celebi, Erim Gurlemis in 2025.

Who are GUILD's investors?

GUILD's investors include Rebel Fund, Redbud Trail Group, Y Combinator, Felicis Ventures, General Catalyst, ICONIQ Capital, Lyra Capital Pty Ltd, MyAsiaVC and 3 more.

Where is GUILD headquartered?

GUILD is headquartered in New York City, US.

GUILD

YC S26

New York City, US · Founded 2025 · 2 employees · 11 known investors

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GUILD operates as a defense contractor that manufactures aerospace components while using AI systems to connect and optimize the contracting, manufacturing, and delivery process across requirements, pricing, supplier management, and compliance.

Also known as CG Group International, Inc.

Advanced Manufacturing AI & Machine Learning Artificial Intelligence Manufacturing Supply Chain DefenseUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

GUILD was founded in 2025 by Kaya Celebi and Erim Gurlemis.

Kaya Celebi Co-Founder & CEOKaya Celebi held AI tech leadership roles at Hartree Partners and machine learning engineering positions at Morgan Stanley. She holds an MSc in Computer Science from Columbia University and dual bachelor's degrees in Computer Science and Statistics from Duke University.

Erim Gurlemis Co-FounderHe previously worked as an associate in the Global Investment Office at Morgan Stanley focused on wealth management, and holds a BA in Biological Studies from Rutgers University.

Brittany StichFounder

Rachel CarlsonFounder

Rachel RomerFounder

Rachel Romer CarlsonFounder

Investors · 11

Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M

How we know: Y Combinator's founder network · rebelfund.vc · Not right? Tell us

Redbud Trail Grouplisted by Redbud Trail GroupAustin · $25M

How we know: Redbud Trail Group's portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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

Felicis VenturesreportedSan Francisco · $500K – $15M

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

General CatalystreportedSan Francisco · $30M

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

ICONIQ CapitalreportedSan Francisco · $5M – $100M

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

Lyra Capital Pty LtdreportedSydney

How we know: Y Combinator's founder network · Not right? Tell us

MyAsiaVCreportedSeattle

How we know: Y Combinator's founder network · Not right? Tell us

PioneerreportedToronto, Ontario

How we know: Y Combinator's founder network · Not right? Tell us

Redpoint VenturesreportedWoodside · $100K – $10M

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

Twenty Two VenturesreportedPalo Alto · $50K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

VendraVendra connects manufacturers with a network of qualified US-based suppliers to produce custom parts, managing the full process from quote aggregation to delivery for aerospace and defense companies.

CapuchinCapuchin is an AI-powered enterprise search and knowledge management platform designed for engineering organizations that work with hardware, antennas, RF systems, optics, robotics, and similar technical products. The system operates entirely on-premise, indexing product data from PDM/PLM systems, ERPs, and collaboration tools while maintaining ITAR and CMMC compliance for defense and government-facing engineering teams.

Applied Electrodynamics, Inc.Applied Electrodynamics is building WaveSight, a hardware sensing product designed to see through walls and detect objects otherwise not visible. The company is developing consumer/industrial sensing hardware based on electrodynamics technology.

Inflection Space SystemsInflection Space Systems operates high-volume factories designed to produce tens of thousands of spacecraft per year. It supplies commercial and government customers in the space industry.

Mass MagneticsMass Magnetics manufactures high-performance neodymium-iron-boron rare-earth magnets in the United States from recycled and domestic feedstocks, using a rapid sintering process and machine learning to sort scrap by grade and chemistry. It targets defense and industrial buyers needing DFARS-compliant domestic magnets and also sells DFARS-compliant rare-earth alloys to domestic metallurgists.

Companies working in the same space as GUILD.

Legal entities · 1

corporate structure

CG Group International, Inc.

Frequently asked questions

What does GUILD do?: GUILD operates as a defense contractor that manufactures aerospace components while using AI systems to connect and optimize the contracting, manufacturing, and delivery process across requirements, pricing, supplier management, and compliance.
Who founded GUILD?: GUILD was founded by Kaya Celebi, Erim Gurlemis in 2025.
Who are GUILD's investors?: GUILD's investors include Rebel Fund, Redbud Trail Group, Y Combinator, Felicis Ventures, General Catalyst, ICONIQ Capital, Lyra Capital Pty Ltd, MyAsiaVC and 3 more.
Where is GUILD headquartered?: GUILD is headquartered in New York City, US.