Roark
YC W25San Francisco, US · Founded 2025 · 3 employees · 1 known investors
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 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.
JZ
James Zammitin𝕏Founder & CEOJames 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.
DG
Daniel GauciinFounderDaniel 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.
DG

Daniel Gauci MizziinCo-founder & CTO
Investors · 1
Competitors · 7
by search overlapDaily4 shared keywordsDaily provides WebRTC-based infrastructure that enables developers to build voice, video, and real-time AI applications. The platform serves product teams and enterprises globally who need communications and real-time capabilities.
NVIDIA4 shared keywordsNVIDIA 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.
Pipecat4 shared keywordsPipecat 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.
Pipedream3 shared keywordsPipedream 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.
xAI3 shared keywordsx.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.
Twilio3 shared keywordsTwilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.
LangChain3 shared keywordsLangChain provides an agent engineering platform and open source frameworks for developers to build, test, and deploy AI agents that can use data and take actions. The platform includes LangSmith for observability and evaluation, and serves enterprise customers including 35% of the Fortune 500.
Companies competing with Roark for the same Google search keywords, organic and paid, via search-intersection analysis.
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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.
- Where is Roark headquartered?
- Roark is headquartered in San Francisco, US.




