Alibaba co-founder Tsai said to join bid for NFL’s Panthers Joseph Tsai, Executive Vice Chairman of Alibaba Group, speaks at the Wall Street Journal Digital Conference in Laguna Beach, California, U.S., October 17, 2017. REUTERS/Mike Blake Eben Novy-Williams, Scott Soshnick March 14, 2018 PremiumAlibaba Group Holding Ltd. Executive Vice Chairman Joe Tsai has joined the Michael Rubin-led group trying to buy the National Football League’s Carolina Panthers, according to people familiar with the deal. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at email@example.com.