70 Million Users, and Building in Healthcare Is Still Harder | Mike Serbinis, League

He has built in telecom and media. He is direct that healthcare is a different order of difficulty. Book Ian for your event → iankhan.com | booking@iankhan.com SUMMARY Mike Serbinis founded League, now at roughly 70 million platform users. He explains the split between large language models providing conversational capability and small language models tuned on billions of domain data points, and is blunt that building in healthcare is harder than telecom or media. KEY FINDINGS • Roughly 70 million users on the platform • Personalisation as the current era, with AI as the enabling ingredient • People abandoning apps and websites halfway through • Large language models giving foundational conversational capability • Small language models tuned to the domain on billions of data points • Specialty depth coming from that tuning • Building in healthcare being harder than telecom or media • Execution where the rubber hits the road as what actually matters NOTABLE QUOTES "Building in healthcare is hard. Execution where the rubber hits the road is what matters." — Mike Serbinis GUEST Mike Serbinis, Founder & CEO, League FULL TRANSCRIPT iankhan.com/futurist/mike-serbinis-league-personalisation Recorded at HLTH 2025 for The Futurist. ──────────────────── ABOUT IAN KHAN — HEALTHCARE AI KEYNOTE SPEAKER Most AI keynotes end with a better understanding. Mine end with a measured readiness score and a ninety-day plan. Your leadership team is assessed before the event, the room sees its own co