[2] Thomas played rugby union for Gloucester,[3] and made over 100 appearances for Neath winning five Principality Premiership titles, two Konica Minolta Cups.
He also made three appearances for the Llanelli Scarlets regional side at the end of the 2004–05 season.
Thomas was born in Truro, Cornwall, England, and educated at Bassaleg School in Newport, South Wales.
Steve Thomas won caps for Wales while at Bradford Bulls, London Broncos scoring on his début vs Ireland aged just 19 at Swansea City's Vetch Field.
He scored 2 tries for Wales RL U19 vs England at Centre, and represented Great Britain Academy vs France later the same year.