Crosstrain is a brainchild of Siddharth Singh, who is the first Brown Belt in Brazilian Jiu-Jitsu in India and a 14 Khan Grading, Silver Mongkol 'Master' in Muay Thai. Along with the above mentioned accolades Siddharth also has a very decorated track record as a professional fighter. He is India's Highest Ranked Competitive Grappler, India's only ADCC Taiwan and British BJJ Champion, Rank 4 in ACBJJ World Rankings and lastly 9 times Indian BJJ and Submission Grappling Champion.