The 8-Year Journey to Building a $4B AI Company | Synthesia, Victor Riparbelli

He started the UK’s largest generative AI video startup — before ChatGPT even existed. Victor Riparbelli, CEO & Co-founder of Synthesia, breaks down why going viral isn’t the goal — and how to know if you’re building something “fun and cool” or truly useful. It took 8 years of pivots and countless user conversations to figure out what people actually needed. By solving a problem most teams ignored, Synthesia scaled to $100M ARR and reached a $2.1B valuation. Are you building something people actually need or just something that looks impressive? 00:00 Intro 01:50 Why I Spent 8 Years Betting on a Crazy Idea 04:15 Are You Building a Painkiller or a Vitamin? 07:11 Fun and Cool Won't Keep Users Coming Back 09:04 The Vacuum Effect of Product-Led Growth 10:49 Find the Bit-Off Underdogs #AI #videogeneration #synthesia EO stands for Entrepreneurship & Opportunities. As we're looking to feature more inspiring stories of entrepreneurs all over the world, don't hesitate to contact us at partner@eoeoeo.net X | @eostudi0 LinkedIn | @EO STUDIO Instagram | @eostudio.official Newsletter | https://www.eomag.io/subscribe?utm_source=youtube&utm_medium=description

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Jul 27, 202513mWatch on YouTube ↗

EPISODE INFO

Released: July 27, 2025
Duration: 13m
Channel: EO Studio
Watch on YouTube: ▶ Open ↗

EPISODE DESCRIPTION

He started the UK’s largest generative AI video startup — before ChatGPT even existed. Victor Riparbelli, CEO & Co-founder of Synthesia, breaks down why going viral isn’t the goal — and how to know if you’re building something “fun and cool” or truly useful. It took 8 years of pivots and countless user conversations to figure out what people actually needed. By solving a problem most teams ignored, Synthesia scaled to $100M ARR and reached a $2.1B valuation. Are you building something people actually need or just something that looks impressive? 00:00 Intro 01:50 Why I Spent 8 Years Betting on a Crazy Idea 04:15 Are You Building a Painkiller or a Vitamin? 07:11 Fun and Cool Won't Keep Users Coming Back 09:04 The Vacuum Effect of Product-Led Growth 10:49 Find the Bit-Off Underdogs #AI #videogeneration #synthesia EO stands for Entrepreneurship & Opportunities. As we're looking to feature more inspiring stories of entrepreneurs all over the world, don't hesitate to contact us at partner@eoeoeo.net X | @eostudi0 LinkedIn | @EO STUDIO Instagram | @eostudio.official Newsletter | https://www.eomag.io/subscribe?utm_source=youtube&utm_medium=description

SPEAKERS

Victor Riparbelli
guest
Co-founder and CEO of Synthesia, an AI video generation platform.

EPISODE SUMMARY

In this episode of EO Studio, featuring Victor Riparbelli, The 8-Year Journey to Building a $4B AI Company | Synthesia, Victor Riparbelli explores synthesia CEO on finding real AI video product-market fit Synthesia endured several unglamorous early years where the core tech was immature, yet the team maintained conviction that AI-generated video would become broadly valuable.

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