Brazilian Jiu-Jitsu in 2005 under Renzo Gracie at the Renzo Gracie Academy in New York City. He earned his blue and purple belts under the Renzo Gracie banner from BJJ World Champions Rafael Gordinho Lima and Leandro Brodinho Issa respectively. With Renzo Gracie's blessing, BJJ World Champion Alex Silva awarded Sityodtong his brown belt in 2021. In 2019, Sityodtong was inducted into the Black Belt Magazine Hall of Fame. Career Chatri started as an investment analyst at Fidelity Investments covering a variety of industries. He later launched Nextdoor Networks with Yau Soon Loo, a classmate at Harvard. Nextdoor Networks was a San Francisco based startup provider of e-commerce infrastructure. Sityodtong was a Managing Director at Maverick Capital, a US$12 billion hedge fund. In 2005, backed by Farallon Capital, Sityodtong launched Izara Capital Management, a US$500 million New York hedge fund. After a decade on Wall Street, he retired. In 2008, he founded Evolve MMA, a chain of martial arts academies in Asia. In 2011, Chatri founded ONE Championship and currently serves as its chairman and CEO. Under his leadership, ONE was named Asia's largest global sports media property by Forbes, while Nielsen ranks ONE amongst the world's top 10 biggest sports media properties in terms of viewership and engagement. In 2021, Sityodtong starred in The Apprentice: ONE Championship Edition''. The show won Asia's Best Reality TV Series at the 2021 Asian Academy Awards. In August 2022, Sityodtong accepted an invitation by the Royal Thai Army to become a promoter at the prestigious Lumpinee Boxing Stadium in Bangkok, Thailand. See also Kazuyoshi Ishii Sadaharu Tanikawa Eduard Irimia Pierre Andurand References External links ONE Championship website Evolve MMA website Living people 1971 births Muay Thai trainers Chatri Sityodtong Chatri Sityodtong Tufts University School of Arts and Sciences alumni Harvard Business School alumni Chatri Sityodtong Thai expatriates in Singapore ONE Championship