Kiyoshi Kimura is known as the "Tuna King" of Japan.
Kimura is the head of Kiyomura Corporation which runs the Sushi Zanmai chain of restaurants.
In January 2019, Kimura paid a record 333.6 million yen for a 278 kg (613 lb) blue fin tuna and has been the highest bidder at the Japanese new year tuna auction in seven out of the past eight years.