Lee Jong-yeol was born in Jeonju in 1938 and entered the world of piano tuning in 1956. He has tuned pianos in major concert halls in Korea such as Sejong Center for the Performing Arts, KBS Hall, Hoam Art Hall and National Theater of Korea, and is working as a senior piano technician at Seoul Arts Center and Lotte Concert Hall. He is a consultant to Korea Piano Technicians Association and wrote Piano Regulation and Piano Voicing as the member of the Publishing Committee at KPTA. He was selected as a master technician for the first time in the field of piano tuning by Ministry of Commerce, Industry and Energy in Korea.