> Petchyindee Academy

Petchyindee Academy is a Muay Thai training camp in Bangkok, Thailand, owned by Nuttadaj Vachirarattanawong. The academy describes itself as the only Muay Thai gym in Thailand to apply sport science methodology to fighter development, integrating physical testing and data-driven training protocols into its program. The camp serves as one of the primary feeder gyms for ONE Championship, with multiple active ONE fighters carrying the Petchyindee Academy name: Petchdam Petchyindee Academy, Phetmorakot Petchyindee Academy, Praewprao PetchyindeeAcademy, Capitan Petchyindee Academy, Sorgraw Petchyindee Academy, Mongkolpetch Petchyindee Academy, and Rittewada Petchyindee Academy have all competed on ONE Championship cards. International fighter Savvas Michael has also competed representing the academy.