Joe Williams is the son of Wilfred Williams, who played for a number of Sydney teams in the late 1980s.
A Cowra Magpies junior who moved to South Sydney Rabbitohs lower grades. While attending Marcellin College in 2001, Williams was selected to play for the Australian Schoolboys team.
North Sydney Bears 2007-2010 19 appearances 7 tries, 54 goals, 3 field goals, 133 points.
He was released from his Penrith Panthers contract on 14 May 2008 and joined the Bulldogs. After only two games with the Bulldogs, Williams retired from the game and turned to boxing. He was last known to be playing with Country Rugby League side Dubbo CYMS.
On 18 October 2014 he successfully defended his World Boxing Federation (WBF) junior welterweight world title against Indonesian opponent Rusmin Kie Raha at Bolton Park Stadium. He also obtained a World Boxing Association (WBA) Asian title with a unanimous points victory.