In 1986, Jomhod won the Southern Thailand Championship in 59.6 kg weight category and the same year, at the age of 16, he moved to Bangkok and began his proper fighting career.
At the age of 18 he won the Lumpinee Lightweight Title, he never lost the belt but vacated it to move up in weight.
He lived in Finland for 11 years winning numerous titles in muay Thai and kickboxing.
In 2006 he moved back to Thailand to be head coach at the J. Prapa Gym in Kata Beach, Phuket but recently opened his own gym, Jomhod Muay Thai, near Phuket airport and Nai Yang beach.
Jomhod has continued to fight occasionally in Phuket even though he is now in his 50s and in December 2012 he returned to Bangkok, beating former Olympic gold medal winner Somluck Kamsing by decision at Lumpinee Stadium.