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Roark

YC W25

San Francisco, US · Founded 2025 · 3 employees · 9 known investors

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Roark builds a quality testing platform for voice AI agents using audio-based evaluation models. The platform allows teams to simulate calls before launch, score production conversations on audio, and validate fixes before customer deployment in healthcare, finance, insurance and other regulated industries.

Also known as Roark Innovations, Inc. · Roark AI

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareAnalyticsAIConversational AIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W25)

Roark was founded in 2025 by James Zammit, Daniel Gauci, and Daniel Gauci Mizzi.

JZJames Zammit
James ZammitCEOJames Zammit is an infrastructure and AI engineer with over a decade of experience. He previously served as Senior Engineer at AngelList, where he worked on portfolio infrastructure and developed Relay, an AI system for managing financial documents, and co-founded a startup that was demonstrated at Google I/O 2016.
DGDaniel Gauci
Daniel GauciCTODaniel Gauci is a software engineer with over a decade of experience. He served as Senior Engineer at Akiflow, a Y Combinator company, and previously spent seven years at Casumo leading mobile app development.
DGDaniel Gauci Mizzi
Daniel Gauci MizziFounder

Investors · 9

F-Prime Capitallisted by F-Prime CapitalCambridge · $3M – $10M

How we know: F-Prime Capital's portfolio page · Y Combinator's founder network · Not right? Tell us

True Ventureslisted by True VenturesSan Francisco · $500K – $3M

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

Avlok CapitalreportedLynnwood

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Liquid VenturesreportedSan Francisco · $250K – $5M

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

Massive Tech VenturesreportedSeattle

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New Orderreported

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Script CapitalreportedSan Francisco · $250K – $500K

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Sv Tech Ventures, Inc.reportedPalo Alto

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

Images

Roark photo

Related companies · 10

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NVIDIANVIDIA designs GPUs, AI computing hardware, and software platforms for AI development, data centers, autonomous vehicles, and robotics, serving developers, researchers, and enterprises. Its offerings include AI models, power architecture for AI factories, and compute infrastructure used across industries such as manufacturing, healthcare, and automotive.
Retell AIRetell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance. The platform enables businesses to automate customer-facing voice interactions.
PipecatPipecat is an open source framework for building voice and multimodal conversational AI applications. It is supported by the Pipecat community and the Daily.co engineering team.
WillowWillow is a voice-to-text application that transcribes and formats spoken words into written text across desktop and mobile devices. It serves professionals and knowledge workers across any app or device, using AI to handle formatting, punctuation, and style adaptation.
PipedreamPipedream provides an integration and automation platform for developers to build, run, and deploy AI agents and workflows that connect thousands of APIs. Its offerings include a developer SDK for embedding integrations, a workflow builder, and MCP servers that add APIs and tools to AI agents.
Raven TechRaven Tech develops artificial intelligence and data processing systems, with a focus on next-generation operating system technology.
xAIx.ai builds frontier AI reasoning models, real-time voice AI, and generative media systems. The company focuses on advancing AI capabilities for research and knowledge extension.
TermiiTermii provides infrastructure that uses AI to ensure critical transactions—including authentication, payments, checkouts, and fraud notifications—complete successfully, serving banks, fintech companies, e-commerce platforms, and other digital services globally.

Companies working in the same space as Roark.

Legal entities · 1

corporate structure
Roark Innovations, Inc.

In the news

Roark - The Observability & Testing Platform for Voice AIycombinator.com · Feb 2025

Frequently asked questions

What does Roark do?
Roark builds a quality testing platform for voice AI agents using audio-based evaluation models. The platform allows teams to simulate calls before launch, score production conversations on audio, and validate fixes before customer deployment in healthcare, finance, insurance and other regulated industries.
Who founded Roark?
Roark was founded by James Zammit, Daniel Gauci, Daniel Gauci Mizzi in 2025.
Who are Roark's investors?
Roark's investors include Y Combinator, F-Prime Capital, True Ventures, Avlok Capital, Liquid Ventures, Massive Tech Ventures, New Order, Script Capital and 1 more.
Where is Roark headquartered?
Roark is headquartered in San Francisco, US.