35M Users. $100M ARR. My 10-Year Bet Was Right. | Otter.ai, Sam Liang
In a Nutshell
Sam Liang, Otter.ai's co-founder and CEO, built a speech recognition-powered AI meeting assistant from scratch in 2016, betting on voice AI's massive potential despite risks, evolving it into a meeting-centric enterprise knowledge base with 35M users and $100M ARR. Frustrated by lost historical voice knowledge and meeting note inefficiencies, he owned deep tech to differentiate, enabling low costs, free tiers, and modeling complex human conversations—problems unsolved by APIs. Voice will become the primary enterprise interface, replacing keyboards as AI handles writing; persistence over 10+ years builds generational companies, with 90-99% adoption still ahead.
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At Harvard University two days ago, many professors do not allow students to use tools like Otter for learning, which represents old thinking. The education system was created at least 100 years ago and must allow students to use AI tools. Although humans have been talking for thousands of years, most voice knowledge in history has been lost. We never heard Shakespeare or Charles Darwin, representing a tremendous loss of human knowledge and intelligence. These frustrations and insights led to the belief that voice AI will be huge in the future.
Sam Liang is co-founder and CEO of Otter.ai. Started as a transcription tool, evolved into an AI meeting assistant, and now building a meeting-centric enterprise knowledge base with Agentic workflows on top. Over 35 million users and exceeded $100 million ARR. Enterprises are adopting it to manage huge meeting content.
Did PhD at Stanford University. Learned from PhD advisor David Cheriton, who has vision for big impact and world-changing ideas. Cheriton recognized talent of Larry Page and Sergey Brin, writing a $100,000 check before they had anything. Learned to think big from him. At Google from 2006-2010, led Google Maps location platform. Quit in 2010 to start mobile startup in Palo Alto.
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