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Startup Spotlight: Roark turns failed voice calls into regression tests

James Zammit and Daniel Gauci Mizzi built a QA layer for voice agents; YC says Roark processed more than 10 million call minutes in a six-month period.

By Ryan Merket · Published Sep 30th, 2026, 2:24pm CT

Startup Spotlight: Roark turns failed voice calls into regression tests — James Zammit and Daniel Gauci Mizzi built a QA layer for voice agents; YC says Roark processed more than 10 million call minutes in a six-month period.

James Zammit and Daniel Gauci Mizzi built a QA layer for voice agents; YC says Roark processed more than 10 million call minutes in a six-month period.

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