Career
Henry turned professional in 1991. He first qualified for the World Snooker Championship in 1994, narrowly losing 10-9 in the first round to John Parrott. In 1996 Henry again reached the first round of the tournament, losing to Darren Morgan, and made the quarter-finals of a ranking event, the Welsh Open, for the first time.
He twice reached the second round of the World Championships, in 2000 and 2003, beating Mark King in the first round on both occasions.
The second victory came in the first World Championship match to be refereed by a woman, Michaela Tabb. His first semi-final appearance came a year earlier in the China Open, a performance which saw his world ranking rise to its highest position of #18.
Henry dropped out of the professional tour after a 5-1 defeat by Ian McCulloch in the first round of the 2008 Welsh Open. Non-Ranking Wins: (1).