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.