Horizon Muay Thai Training Systems is owned and operated by Brian Joe Crespin. In 2000, Brian moved to San Diego, California to pursue a college degree in Graphic Design and Fine Arts.
 

During his time there, he was introduced to Muay Thai by a close family friend with a goal to get back in shape. Brian began training Muay Thai at The San Diego Boxing Club under the guidance of world-renowned 2x Muay Thai world champion, Kru Melchor Menor. And through those years, martial arts helped shape his life.

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In 2011, due to his many years of experience in various martial arts, competition, hard work ethic, fitness and perseverance, Brian was promoted to Red & White Band/Level 1 and earned the title "Khun Kru" under the Kaewsamrit Grading System.

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Shortly after his promotion, Brian moved back home to Maui, Hawaii to start his own martial arts & fitness school, called Horizon Muay Thai Training Systems.