Simon Marcus, also known as “The One”, is a Canadian mixed martial artist and former Muay Thai kickboxer, who competes in the Light Heavyweight and Cruiserweight divisions. He was formerly signed with Glory, where he was the former two-time Glory Middleweight champion.

In 2012, when he beat Kaoklai Kaennorsing for the WPMF World Light Heavyweight title and defeated Joe Schilling twice and Jason Wilnis three times in a notable rivalry.

Marcus also holds a win over current UFC Middleweight Champion Israel Adesanya, and was ranked as a top ten middleweight by Combat Press between September 2014 and July 2021.

Marcus Simon oversees the Muay-Thai program at Budo Canada, under the “The One” team name. Come try a class at Budo Canada and see why he is “The One”.