Zai Lab Limited American Depositary Shares, also called Zai Lab, is a biopharmaceutical company. It engages in the discovering, licensing, developing, and commercializing proprietary therapeutics that address areas of unmet medical need in the fields of oncology, infectious and autoimmune diseases. Read More The company's products include Zejula and Optune. Zai Lab was founded by Samantha Ying Du and Marietta Wu in April 2014 and is headquartered in Shanghai, China. The listed name for ZLAB is Zai Lab Limited American Depositary Shares.