Li Zaifu, born on June 4th, 1960, was a member of the Korean national team. 19, 20, 2 1 year-old, won the national championships of Korean men's singles, men's doubles and mixed doubles respectively. A superstar among world badminton coaches and a legendary genius of Korean badminton in the 1980s. His main teaching video "Li Zaifu must win" is an earlier teaching video (1995). With a passion and infinite love for badminton, he travels around the world all the year round to publicize and popularize badminton.