deepgram
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Marcel Santilli
Marcel Santilli is the CEO and Co-Founder of GrowthX AI, a San Francisco-based 'service-as-software' company that combines expert-led strategy with AI workflows to drive organic growth for B2B companies. Born and raised in São Paulo, Brazil, Santilli spent 15+ years as a CMO and marketing executive at companies including IBM, HP/HPE, HashiCorp, Scale AI, and Deepgram, helping scale a combined $1B+ in ARR across three unicorns. After spending over 1,000 hours encoding marketing workflows into AI at Deepgram, he co-founded GrowthX AI in September 2024 with CTO Daniel Lopes. The company reached $7M+ ARR profitably in under 12 months — using only its own methodology, zero paid ads — before raising a $12M Series A led by Madrona Ventures in May 2025.
Scott Stephenson
Scott Stephenson is the co-founder and CEO of Deepgram, the voice AI company building foundational speech-to-text, text-to-speech, and voice agent models from scratch. A particle physicist who once helped build a dark-matter detector two miles underground, he now runs an AI company used by NASA, Spotify, and Twilio.