Luckachai Krichnoi started saxophone lesson when he was a twelve year old student at the Wat Suthiwararam School with Prof. Suraphol Thunyaviboon and Prof. Anuphong Amatayakul.  He then continued to pursue his Bachelors degree at the Department of Music in the Faculty of Education, Chulalongkorn University with Prof. Choowit Yurayong.  He has also taken part in many saxophone master classes, workshops and music activities from reputation saxophonist from Western countries, Japan and Thailand.

Luckachai Krichnoi is an experienced educator and he has taught in many schools such as the Yamaha Music School, MIFA Music School and Kasetsart University. He presently teaches at the Wat Suthiwararam School; music program, the Faculty of Music; Silpakorn University, the Faculty of Music and Performing Arts; Burapha University and the Faculty of Education; Chulalongkorn University.

In addition, Luckachai founded and conducts the Chulalongkorn University Saxophone Ensemble. He is also a member of the Laithai Orchestra and the guest saxophonist with the Bangkok Symphony Orchestra and Thai National Symphony Orchestra.