Born in 1947. Graduated from the Department of Mechanical Engineering, Kobe University. International boxing matchmaker. WOWOW Excite Match commentator. Former visiting professor at Okayama University (2008-2021). Involved in boxing from a young age, he has served as a correspondent for the Oriental region of the American magazine "RING" since the age of 17. In the past, he has worked as a second and manager for world champions such as Shigeo Nakajima, Jiro Watanabe, Luisito Koizumi, and Gamboa Koizumi. He has been watching big matches around the world for a long time, accumulating global insight, and continues to be active in analyzing boxing from a scientific point of view. He is currently the president of "Ring Japan", which handles matchmakers, commentators, and boxing-related videos and books. His books include "Boxing is Science", "A Man Obsessed with Boxing", and "How to Always Live with Confidence". In 2008, he became the second Japanese person to be inducted into the Boxing Hall of Fame after Fighting Harada.

Born in 1949. Since the beginning of the 1970s, he has been a producer and director active in a wide range of genres, including music, film, art, and theater, with a focus on media exchange. His fields range from rock, jazz, classical music, film music, art, stage design, and urban development, and he is also popular as a music critic and essayist for his unique perspective. He has written many books, including "The Shangri-La Prophecy," "A Week with Serge Gainsbourg," "TOKYO1969," "The Liner Notes," "CONVERSATION PEACE: 10 Conversations on Rock and Roll," and "I Stand Alone."