Hiroto Okazaki is a master of Kyokushin Karate, who is the current Kancho (Director) of the Kyokushin-kan International Organization Honbu, one faction of the International Karate Organization (IKO) founded by Mas Oyama (1923–1994). He is also a 16th-generation grandmaster of Mugai-Ryu Iai Hyodo, a style of Iaido carried forward since 17th-century Japan.