Who to Learn from is an O2O e-commerce platform for finding good teachers to learn and serve, which was founded by Chen Xiangdong in June 20 14. Who should we learn from? Focus on the innovation of learning service, and strive to build a learning service platform for all. Who to learn from to track the individual needs and preferences of each student, and use massive data mining technology for accurate matching to help students find the most suitable teacher and help teachers maximize their value. 12 By the end of 20 15, 10, there were 350,000 teachers and 40,000 institutions. While learning from whom has become a way of life, learning from whom is also making every effort to create a more dynamic and healthy educational ecology. On March 30th, 3420 15, at the "Who to Learn from 20 15 Brand and Product Launch Conference" held at the Beijing National Convention Center, it was announced that the company had completed the Series A financing of US$ 50 million in just six months, with a valuation of US$ 250 million, setting a new record for China startups. 45