Kru Yodtong Senanan (born Erawan Siriwalak) is Grandmaster of the Sityodtong Camp in Pattaya, Thailand.[1][2][3] He has produced 57 Muay Thai Champions, the most number in the history of Muay Thai in Thailand.[2] His most famous Muay Thai World Champions include Samart Payakaroon, Kongtoranee Payakaroon, Nuengpichit Sityodtong, Detpitak Sityodtong, Chartchai Sityodtong, Yoddecha Sityodtong, Daotong Sityodtong, and others. Additionally, top Muay Thai, K-1, and UFC professional fighters from around the world such as Rob Kaman, Ramon Dekkers, Ernesto Hoost, Peter Aerts, Musashi, Kenny Florian, Antonio Braga Neto, and many others have made pilgrimage to the Sityodtong Gym in Pattaya to train and sharpen their skills. His top trainers include Saknarong Sityodtong, Daorung Sityodtong, Chatri Sityodtong, Yodsanan Sityodtong, Kongtoranee Sityodtong and others. Kru Yodtong appointed one of his long time students, Chatri Sityodtong, to be conservator of Muay Thai in Asia. Mark Dellagrotte of UFC fame is a conservator of Muay Thai in the US under Kru Yodtong Senanan.
He is the only teacher of Muay Thai in Thailand to be awarded a Lifetime Achievement Award by the Royal Family of Thailand for his influence on Muay Thai, Thailand's national sport.[2]
Kru Yodtong Senanan currently resides in Pattaya, Thailand. There are several Sityodtong Muay Thai camps around the world.