Global private equity fund manager Warburg Pincus has led a Series D funding round of USD140 million for China-based K-12 education company Gaosi Education. The company provides one-on-one and live-streamed tutoring services in various subject areas, as well as tools and services for educators, and plans to use the funds to improve its technology and content. Gaosi is backed by several China-focused investors, including Morningside Ventures, JD Capital, CMC Capital Partners, AlphaX Partners, Sinovation Ventures, CICC, and Loyal Valley Capital.