Michael Chang

ArQule, Inc. is a biopharmaceutical company, which engages in the research and development of therapeutics to treat cancers and rare diseases. The company was founded in 1993 and is headquartered in Burlington, MA.

Rhone-Poulenc Rorer, Inc. discovers, develops and markets human pharmaceuticals. It operates in all major markets of the world. The company is headquartered in Collegeville, PA.

Optimer Pharmaceuticals LLC operates as a biopharmaceutical company. It is focused on discovering, developing, and commercializing innovative hospital specialty products. Optimer Pharmaceuticals primarily concentrates on developing DIFICID and other fidaxomicin products. The company was founded by Michael N. Chang in 1998 and is headquartered in Jersey City, NJ.

Pharmanex, Inc. provided dietary supplement products. It offered anti aging with nutritional supplement products. The company was founded by William E. McGlashan Jr. and Michael N. Chang in 1994 and was headquartered in Provo, UT.

Ansun Biopharma, Inc. manufactures pharmaceutical products. Its products include Fludase, a drug candidate for the prophylaxis and treatment of respiratory infections caused by various types of influenza virus, including the types of virus that may cause a potential influenza pandemic, as well as various types of parainfluenza virus. The company was founded by Nancy Chang on August 9, 2012 and is headquartered in San Diego, CA.

Delos Advisors Ltd (Delos Capital) is a private equity and venture capital firm founded by Lin Zheng Chen in 2014. The firm is headquartered in Hong Kong.