Is Li the only alias with a black belt in the world?

Li Fei: Jin Jidong is the president of Korea Institute of International Social Education, the president of Korea New Life Central Research Institute, the doctor of China Culture University (Taiwan Province Province), the director of Korea Northeast Asia Research Institute, the doctor's resume, the graduate of the Department of Business Administration of Kyung Hee University, the doctor's class of China Culture University (doctor of law), the retired marine captain of China Culture University, the professor of World Taekwondo League, the lecturer of National Institute of Technology, the director/visiting professor of Korea Association of Labor Education Institutions, and the president of Xincun Central Research Institute (new).

Li is one of the most famous Taekwondo coaches in the world, the head of the Korean Taekwondo National Youth Performance Troupe, the head of the Korean Taekwondo National Adult Performance Troupe, and a Taekwondo lecturer at the Korean Army NCO College. Participated in the Taekwondo Tour at home and abroad for more than 200 times in his life. He is the most famous master in Taekwondo. Explain and decompose the leg technique, movement and quality of Taekwondo, and make it into a CD, which is widely circulated all over the world. Because its belt is worn all the year round, the black has turned into gray, and even the 9 paragraphs above have been worn out. This belt has also become a well-known one in Taekwondo.

This is two people.