Ya Lin Zhai is on the board of China Petroleum & Chemical Corp. In his past career he was Director-Auditing Department at Qianguo Refinery Petrochemical Construction Co., Deputy Director-Auditing Division at China Petroleum & Chemical Corp., Deputy Director-Auditing Department at China Petrochemical Corp. and Deputy Director-Auditing Department at SINOPEC Fuel Oil Sales Co., Ltd.

He received an undergraduate degree from Jilin Normal University.