Williams-Jones, was born in Bryncethin, where his rugby career began, attended Ynysawdre Comprehensive School and was a Police Officer by profession.
He represented South Wales Police RFC on 355 occasions between 1984 and 1993, then joined Llanelli where he made a further 128 appearances [1] before retiring from rugby in 1998.
A prop, who was equally at home on either side of the scrum, Williams-Jones earned 17 caps for Wales and was a replacement on 31 further occasions when he did not take the field.
His Wales career included a memorable win over England in the 1993 Five Nations, to end English hopes of a third successive grand slam.
[2] Williams-Jones represented the Barbarians on numerous occasions, including the Easter Tour to Wales and the Mobbs Memorial match.