Meng Fei Shen

Meng Fei Shen is Co-Founder and CEO at Ruma Care, an AI-powered healthcare platform automating prior authorizations for specialty biologics. The company is part of Y Combinator's Winter 2026 batch and helps clinics reduce denial rates by 50% and staff time by 20x.
Meng Fei studied at Yale University and previously led Uber One global expansion to 13M+ members and built AI integrations for 100K+ suppliers at Walmart Data Ventures.
Meng Fei hosts the podcast Startup and Nation, connecting startup ecosystems globally, and leads Juicy Trees, a 120+ person music collective in San Francisco. She has lived and worked across Asia including Taipei, Seoul, Tokyo, Singapore, Hong Kong, and Beijing.
Ruma Care met at Yale's CS50 class with co-founder Christina Huang and worked in Big Tech at Apple, Uber, and Walmart before launching the company. They built products for United Healthcare and U.S. Health & Human Services.
Ruma Care is live across clinics in California and Nevada, spoke with 150+ providers, and created a free Formulary Navigator helping medical teams navigate insurance coverage rules for biologics costing $80K to $150K+ per patient annually.