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founder Zach Yadegari addressing tech conference audience on voice AI agents and hardware

Voice Agents

Zach Yadegari Sold Cal AI for Millions. Now He Wants Your Phone Calls

At nineteen, Zach Yadegari turned TikTok arbitrage into a $30M nutrition exit. His new $10M bet, Persona, trades calorie photos for ambient voice agents and custom hardware.

Ray Dalton · 16d ago · 4 min read

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Voice AIModels, latency, benchmarks and the platform wars behind spoken machines.Voice AgentsAutonomous callers, deployments, escalation design and the ops behind them.Virtual ReceptionistsThe front desk goes automated: clinics, trades, law firms and the money in missed calls.Synthetic VoiceCloning, prosody, watermarking, fraud and the ethics of a manufactured human sound.

Zach Yadegari Sold Cal AI for Millions. Now He Wants Your Phone Calls

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