About Roark

Roark lets you replay real production calls against your latest Voice AI changes.

Our Mission

We're on a mission to revolutionize how companies develop and test their Voice AI systems. By enabling teams to test against real production data, we help ensure AI systems work reliably in the real world, leading to better customer experiences and more efficient operations.

San Francisco, California

Meet our founders

  • James Zammit

    James Zammit

    Co-Founder & CEO

    Infra and AI engineer with 10+ years of experience. Previously at AngelList, where he worked on core infrastructure as the company scaled from $10B to $124B in assets under management and led the development of Relay, an AI-powered portfolio manager processing thousands of financial documents monthly. Co-founded three startups, one of which partnered with Firebase and was showcased at Google I/O 2016. Awarded Meta and Apple scholarships.

  • Daniel Gauci Mizzi

    Daniel Gauci Mizzi

    Co-Founder & CTO

    Software engineer with 10+ years of experience. Previously at Akiflow (YC S20) as part of the mobile development team, helping the company reach $1.5M ARR and 10,000+ customers. Spent 7 years at Casumo, leading the development of the mobile app used by millions of players helping the company reach $50M+ ARR.