Ding Yun, deputy chairman of the supervisory board of the Chinese telecom giant Huawei, died of a sudden illness on Friday, according to an announcement on the firm’s discussion forum. Ding served 26 years at Huawei as an executive of enterprise and carrier business groups. Born in 1969, he graduated from Southeast University with a master’s degree and joined Huawei in 1996. Over his years with the company, he has served as product line president, president of the global solution sales dept, president of the global marketing dept, and president of products and solutions, according to his profiles on Huawei’s official website. [Huawei, in Chinese]