WNBA: Serena Williams joins ownership group of basketball franchise Sport Business Tennis superstar Serena Williams has joined the ownership group for a Women’s National Basketball Association (WNBA) expansion franchise. Toronto Tempo have welcomed the 43-year-old into their group alongside Larry Tanenbaum, who is the chairman of controllers Kilmer Sports Ventures and owns the likes of AS Saint-Étienne of Ligue 1. The WNBA has 13 teams but [...]