Gabriel Duncan is Co-Founder and CTO at Slang AI, a voice AI platform transforming customer service for restaurants and hospitality. He leads the company's technological vision and oversees development of conversational AI systems.

Gabriel earned a Bachelor of Applied Science in Applied Mathematics from Columbia University and worked as Data Science Manager at Spotify, Data Engineer at The New York Times, and Visiting Research Fellow at UT Health Science Center.

Gabriel has over a decade of experience in data engineering, natural language processing, and machine learning, with expertise in fraud detection and analytics pipelines. He serves as a Techstars Mentor guiding early-stage startups.

Slang AI raised $68M total funding including a $36M Series B led by US Venture Partners in February 2026, and operates across 2,000+ restaurant locations globally with 96% guest satisfaction rates.

Under Gabriel's technical leadership, Slang AI has grown 200% in headcount over 24 months and processes 25 million calls from 10 million guests, helping restaurants capture more revenue and eliminate missed calls.