After graduating in 2013, he followed the central branch of the mission in Dongxia town, Dantong county, Qinghai province, and worked as a maths teacher for one year.
[2][3] After raising hundreds of millions of dollars from a list of powerful investors including Coatue Management, Chinese ride-sharing service Didi Chuxing, and Russian billionaire investor Yuri Milner, Wei expanded Ofo rapidly across China and worldwide.
[2] For the US market, Wei personally hired Uber spokesperson and Mandarin speaker Chris Taylor to run ofo US operations.
[6] After rumors of bankruptcy and a potential buyout by Didi and Ant Financial, on 22 October 2018, the legal representative of Ofo changed.
Chen Zhengjiang replaced Wei becoming the legal representative of Dongxia Datong (Beijing) Management Consultancy Co. Ltd., the operating company of Ofo.