YouLearn is an AI-powered personalized tutoring platform built by students, for students. Founded by three college friends frustrated with outdated lecture videos and generic AI tools, YouLearn transforms any learning material - PDFs, YouTube videos, lecture slides, even photos - into concise notes, adaptive quizzes, and an interactive AI tutor. With 2M+ users globally, $770K ARR, and backing from Y Combinator's Spring 2025 batch, YouLearn is building what they call a modern-day Aristotle: a lifelong AI tutor that grows alongside each student.
ZeroEntropy is the AI infrastructure company fixing the broken retrieval layer of modern AI applications. Founded in 2024 by Ghita Houir Alami (CEO) and Nicholas Pipitone (CTO), the San Francisco–based startup builds rerankers, embedding models, and end-to-end search infrastructure that outperforms Google, OpenAI, Cohere, and Voyage on public benchmarks. Backed by Y Combinator (W25) and a $4.2M seed round led by Initialized Capital, ZeroEntropy's products — zerank-2, zembed-1, zsearch, and ze-onprem — are used by enterprises including Assembled (serving Stripe, Canva, Robinhood, and Notion). The company's proprietary zELO training methodology, derived from chess Elo ratings and the Thurstone statistical model, produces models with calibrated relevance judgments that binary labels cannot replicate.
Lea Bajc is a serial entrepreneur, investor, and board member with over two decades of experience spanning Silicon Valley and Europe. Born in Croatia and raised in Sweden, she holds degrees from Stockholm School of Economics, HEC Paris, and Harvard Business School. At Northzone Ventures, she co-led landmark investments in iZettle ($2.2B exit to PayPal) and Trustpilot (LSE IPO). She later co-founded Averon in Silicon Valley, raising $20M from Marc Benioff. Now based in Paris, she invests through Blue Horizon and Ozone X Ventures (backing underrepresented founders), serves on corporate boards, and is authoring 'Love After Love' — a forthcoming book reframing divorce as an opportunity for reinvention. A Kauffman Fellow and Forbes Technology Council member, she speaks six languages and is a certified nutritionist.
ElevenLabs is an AI research and product company that builds human-like voice technology. Founded in 2022 by two Polish engineers frustrated by badly dubbed movies, it grew from zero to $200M ARR in three years and reached an $11 billion valuation by February 2026. Its platform covers text-to-speech, voice cloning, AI dubbing, conversational agents, and speech-to-text across 70+ languages, used by everyone from independent creators to over 60% of Fortune 500 companies.