Erinys was founded by Jason Guo, Matthew Pallan, Sasha Zyuzin in 2026.

Who are Erinys's investors?

Erinys's investors include Redbud Trail Group, Vela Partners, Y Combinator, DTA Capital Advisors, LLC, Twenty Two Ventures.

Where is Erinys headquartered?

Erinys is headquartered in San Francisco, US.

Erinys

YC S26

San Francisco, US · Founded 2026 · 3 employees · 5 known investors

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Erinys launches and operates AI-native law firms, providing lawyers with the software, support staff, back office, billing, compliance, working capital and growth infrastructure needed to run a turnkey firm. It targets practicing lawyers who want to start their own firm while retaining biglaw-level pay and equity ownership.

Also known as Erinys Intelligence, Inc.

AI & Machine Learning Enterprise Software LegalTech SaaS Artificial Intelligence LegalUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

Erinys was founded in 2026 by Jason Guo, Matthew Pallan, and Sasha Zyuzin.

Jason Guo FounderJason Guo is the founder of Erinys (YC S26) and has worked across a broad range of the tech stack, from industrial PLCs to kernel exploitation. He is currently pursuing a computer engineering degree at the University of Maryland.

Matthew Pallan FounderHe previously led greenfield engineering efforts across multiple organizations, built low-latency (sub-290ns) trading systems for high-frequency trading firms, and worked in cybersecurity covering exploitation and security systems; he studied Computer Science and Real Estate at the University of Maryland.

Sasha Zyuzin FounderSasha Zyuzin is the founder of Erinys (YC S26) and an undergraduate researcher at UMD focused on IPv6 botnet detection, malware analysis, and hardware security. He has presented vulnerability discovery research at Black Hat USA 2025 and spoken at the SANS OSINT Summit 2025, and previously taught an OSINT course and led UMD's cybersecurity club of over 1,800 members.

Investors · 5

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

Vela Partnerslisted by Vela PartnersSan Francisco · $100K – $500K

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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

DTA Capital Advisors, LLCreported

How we know: Y Combinator's founder network · 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

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TowerTower provides AI-powered due diligence infrastructure that collects, structures, and analyzes unstructured data from multiple sources to support financial and legal decision-making. The platform serves investment firms, corporate buyers, and their advisors conducting asset evaluations and transactions.

Pearson LabsPearson Labs develops AI agents that automate corporate transactions for law firms, helping them manage large business operations more efficiently and reduce delivery costs.

AbelAbel provides independent reviews of UK money management apps and budgeting tools, helping users in their 20s to 40s evaluate financial apps through hands-on testing and transparent reporting of fees, features, and safety practices.

Companies working in the same space as Erinys.

Legal entities · 1

corporate structure

Erinys Intelligence, Inc.

In the news

Erinys - Building the first network of AI-native law firmsycombinator.com · Aug 2026

Frequently asked questions

What does Erinys do?: Erinys launches and operates AI-native law firms, providing lawyers with the software, support staff, back office, billing, compliance, working capital and growth infrastructure needed to run a turnkey firm. It targets practicing lawyers who want to start their own firm while retaining biglaw-level pay and equity ownership.
Who founded Erinys?: Erinys was founded by Jason Guo, Matthew Pallan, Sasha Zyuzin in 2026.
Who are Erinys's investors?: Erinys's investors include Redbud Trail Group, Vela Partners, Y Combinator, DTA Capital Advisors, LLC, Twenty Two Ventures.
Where is Erinys headquartered?: Erinys is headquartered in San Francisco, US.