# Arthur Querou

> Arthur Querou is the co-founder and CEO of Vibe.co, a self-serve connected TV advertising platform that lets small and medium businesses run streaming ads with budgets starting at $50 a day. A Y Combinator alum mentored by Sam Altman and a serial entrepreneur with four prior exits, he raised a $50M Series B in September 2025 at a reported $410M valuation and pushed Vibe past a $100M revenue run rate in under two years.

- **Role:** Co-Founder & CEO at Vibe.co
- **Organizations:** Vibe.co, Keymantics, Motionlead, Adikteev, Appinest, Y Combinator
- **Nationality:** French
- **Education:** Master of Engineering (M.Eng.), Computer Science, EPITA - Ecole d'Ingenieurs en Informatique, Computer Science (exchange), University of California, Berkeley, Accelerator, batch W14, Y Combinator
- **Known for:** Co-founded and leads Vibe.co, described as the most-used CTV ad-buying platform in the U.S., Serial entrepreneur with four prior successful exits, Grew Vibe.co to a $100M+ revenue run rate in less than two years

## Career timeline

- **2014** — Went through Y Combinator (batch W14), mentored by Sam Altman
- **2010s** — Founded and operated a string of adtech and mobile startups including Appinest, Motionlead, Adikteev and Keymantics
- **2021** — Co-founded Vibe.co and became CEO, building a self-serve connected TV ad platform
- **2025-09** — Raised a $50M Series B at a reported $410M valuation led by Hedosophia

## Achievements

- Co-founded and leads Vibe.co, described as the most-used CTV ad-buying platform in the U.S.
- Serial entrepreneur with four prior successful exits
- Grew Vibe.co to a $100M+ revenue run rate in less than two years
- Raised $50M Series B in September 2025 at a reported $410M valuation
- Named to a Top 100 French Entrepreneurs Under 30 list
- Recruited investors and board members including Carolyn Everson and Nextdoor CEO Nirav Tolia

## Latest updates

- **2025-09** — Vibe.co closed a $50M Series B at a reported $410M valuation, led by Hedosophia with participation from Elaia and Singular.
- **2026-01** — Featured on the VideoWeek podcast discussing the future of connected TV advertising.

## Links

- Website: https://vibe.co
- LinkedIn: http://www.linkedin.com/in/arthurquerou
- Twitter/X: https://twitter.com/arthurquerou
- Instagram: https://www.instagram.com/arthurquerou/

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Profile page: https://yespress.io/arthur-querou
Published by YesPress — https://yespress.io
Last updated: 2026-06-14