Mark Anthony Selby is an English professional snooker player. Ranked world number one on multiple occasions, he has won a total of 26 ranking titles, placing him joint-seventh on the all-time list of ranking tournament winners. He is a four-time World Snooker Champion, and has won the Masters and the UK Championship three times each for a total of ten Triple Crown titles, placing him behind only Ronnie O'Sullivan (23), Stephen Hendry (18) and Steve Davis (15).