Joseph Chung-Hsin Tsai is a Taiwanese-Canadian billionaire business magnate, lawyer, and philanthropist. He is a cofounder and chairman of the Chinese multinational technology company Alibaba Group and owns the Brooklyn Nets of the American National Basketball Association, the New York Liberty of the Women’s National Basketball Association, the San Diego Seals of the National Lacrosse League, and has interests in several other professional sports franchises.