Roark

Test, monitor, and improve your voice agents

Y CombinatorWinter 2025ActiveB2BAnalyticsAnalyticsAIConversational AI

What they do

Problem

Voice AI teams struggle to reliably test and monitor voice agents, leading to missed failures and degraded call performance.

Solution

Roark provides a platform for monitoring, evaluation, and automated simulations of voice agents using built-in and custom metrics, dashboards, alerts, and persona-based call testing.

Who it's for

Teams building and operating voice agents (including startups and enterprises) use it to test, monitor, and improve agent reliability.

Founders

James Zammit

Founder & CEO

James Zammit (CEO) is an infrastructure and AI engineer with 10+ years of experience. Previously a Senior Engineer at AngelList, he built core portfolio infrastructure as the company grew from $10B to $124B in assets under management, and led the development of Relay, an AI-powered portfolio manager processing thousands of financial documents each month. He also co-founded a startup showcased at Google I/O 2016 in partnership with Firebase, and received scholarships from Meta and Apple.

LinkedIn · X

Daniel Gauci

Founder

Daniel Gauci (CTO) is a software engineer with 10+ years of experience. Previously a Senior Engineer at Akiflow (YC S20), he helped scale the company to $1.5M ARR and over 10,000 customers. Daniel spent seven years at Casumo, leading the development of a mobile app used by millions of players, significantly contributing to the company’s growth to over $50M ARR.