Career
He was appointed by the Tonga Football Federation in November 2010. Williams was appointed as U17 coach for the nation and his team lost all four of their games, conceded 46 goals in the process at the 2011 OFC U-17 Championship which included a 17-0 loss to New Caledonia. Prior to the competition Williams had written that the Tonga Football Federation had forgotten to withdraw from the competition and rather than be fined $New Zealand 50,000 by the OFC, they allowed Williams to take a team to the tournament.
In November 2011, his Tonga team became the first team in international football to lose to American Samoa, Tonga finished second in a group of four with four points.