Yao Chang Xu founded Abbisko Cayman Ltd. and Abbisko Therapeutics Co., Ltd. Presently, he is Chairman & Chief Executive Officer for Abbisko Cayman Ltd. and Chairman & Chief Executive Officer of Abbisko Therapeutics Co., Ltd. (a subsidiary of Abbisko Cayman Ltd.).

He is also on the board of Abbisko Hong Kong Ltd., Wuxi Abbisko Biomedical Technology Co. Ltd. and Abbisko Therapeutics Australia Pty Ltd.

In his past career Dr. Xu was Head-Discovery Chemistry at Eli Lilly & Co., General Manager of Hansoh Pharmaceutical Group Co., Ltd. and General Manager of Shanghai Hansoh Biomedical Co. Ltd.

Dr. Xu received an undergraduate degree from Nanjing University and a doctorate from The University of Chicago.