Athenex, Inc. is a biopharmaceutical company, which engages in the discovery, development and commercialization of novel therapies for the treatment of cancer.It operates through the following segments: Oncology Innovation Platform, Global Supply Chain Platform, and Commercial Platform. The Oncology Innovation Platform segment involves in discovery and development of cancer supportive therapies. The Global Supply Chain Platform segment consists of manufacturing and marketing of API, medical devices, and clinical products. The Commercial Platform segment engages in manufacturing and selling of commercial pharmaceutical products. The company was founded by Lyn M. Dyster and David G. Hangauer in November 2003 and is headquartered in Buffalo, NY.