Built by people who've done this before.

Backgrounds spanning broadcast media, enterprise AI, and healthcare — brought together to solve a problem none of us could unsee.

Michael Kakoyiannis
Michael Kakoyiannis
Co-Founder & Chairman
40+ years of CEO and senior executive experience in broadcasting and digital technology. Co-founded Big City Radio, where unique technology drove ratings improvements at significantly reduced cost, leading to a successful $28M IPO and a $174M high-yield offering. Michael brings deep relationships across media, technology, and investor communities, including the Greek and Cypriot business world.
Sherry Mills
Sherry Mills
Co-Founder & CEO
20+ years across digital media, multimedia storytelling, and content strategy. Sherry's career gave her firsthand insight into the challenges Marbyl solves with discoverability and audience intelligence. She leads the company's product vision, market positioning, and investor strategy. Her internationally exhibited work has drawn audiences and collectors from MTV, The Met, HBO, and The New York Times.
David Rivkin
David Rivkin, PhD
CTO & Partner
30+ years of senior director and team leadership in advanced ML, audio processing, and Generative AI, spanning OpenAI, MIT-IBM Watson AI Lab, NVIDIA, Pearson, and the U.S. Navy. David served as CSO of Electra Vehicles — transforming it into a product-focused AI firm and authoring 4 key patents — and held senior AI/ML roles within UnitedHealth Group's Responsible AI Center of Excellence and as Head of AI for Optum UK.
Advisory Group
Gus Koutras
Operational Strategy
Former semiconductor engineer for IBM & Texas Instruments, pioneered early product cloud conversion
Steven Einstein
Financial Strategy
Member of The Board of Advisors, Women's Venture Capital Fund; served 12 years as senior partner in the Chairman's Office of PricewaterhouseCoopers
Andrew Denis
Technical Strategy
Founder of Seeflection, MediaLab.AI & Seer Intel AI; responsible AI systems architect across AGI, Deep Learning, Computer Vision, NLP; quantum computing initiatives with Google & IBM
Alex Kakoyiannis
Brand / Product Strategy
Mothersauce founder; agency clients including Yahoo, NBC Universal, Food & Wine, and Lexus; formerly co-founded Navigame
Pat Shah
Product / Market Strategy
Global Head of Content Acquisition, Strategy & Partnerships at Audible; former executive roles at Twitch, Spotify & Universal Music Group

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