Nancy T. Chang

Chang Tang Chang, also known by her English name Nancy Chang, is a Taiwanese biochemist. She co-founded the biopharmaceutical company Tanox in 1986. She also developed the asthma drug Xolair. In June 2003, the U.S. Food and Drug Administration (FDA) approved Xolair, the first biotech product cleared for treating those with asthma related to allergies. Tanox was also active in the development of TNX-355, an antibody for the treatment of HIV/AIDS. In 2007, Tanox was sold to Genentech for $919 million.