← Back to PeopleVTFounderVlad TenevCEO/Co-founder at RobinhoodLinkedInVlad Tenev is the CEO and co-founder of Robinhood.1Mentions1Articles1OutletsCompanies CoveredEmerson Collective1Harmonic1Kleiner Perkins1Ribbit Capital1Sequoia1ArticlesMost recent firstMentioned InReferenced in coverageRobinhood CEO's Math-Focused AI Startup Harmonic Valued at $1.45 Billion in Latest FundraisingReuterspositiveNov 27, 2025“Co-founded AI startup Harmonic, which raised $120 million at $1.45 billion valuation to develop AI systems focused on mathematical reasoning and eliminating hallucinations.”