Maestro Kritchai started studying music at the age of 3 years because one in his family's enterprises is a music school. The major instrument is the piano. He studied piano with Ajarn Nat Yontharak and Olde Geza (Hungarian citizen). Later he went abroad,  to England, South Korea, the United States and Germany, where he had the opportunity to study with many great foreign teachers. Maestro Krittichai is a piano teacher and has been a member of The Bangkok Voices Choir since 2008. Early in April 2023, he also attended the 7th Vietnam International Choir Competition in Hoi An, Vietnam.