Ken is a wine and sake expert based in Tokyo, Japan. Born in Tochigi Prefecture, he is the third generation owner of Yamajin, a distributing company specialising in wine, sake and local spirits. He also has his own consultancy company, Red Bridge, and is director of Somersault, the biggest business group of liquor retailers in Japan. He is a Master of Wine and was awarded the Personality of the Year 2016 by the International Wine Challenge. He has been certified as a Sake Expert Assessor, the highest qualification of National Research Institute of Brewing Japan, and also is the sake co-chairman of the International Wine Challenge. In addition, he exports his selection of Sake and Japanese wines to the world market.