Are you asking how old Jia Guangyu is? Jia Guangyu's age is unknown. According to Baidu, Jia Guangyu graduated from Southwest Jiaotong University with a bachelor's degree. The graduate student came from China Renmin University and worked in Huatai Securities 10. In order to protect his privacy, Jia Guangyu didn't disclose his date of birth in his resume, so he didn't know his age.