Born in 1967. Native of Tochigi Prefecture. Developed his knowledge of wine and sake by managing the family sake retail business, Yamajin Co., Ltd., based in Utsunomiya City. Acquired the world's highest wine qualification, Master of Wine, in 2015. Established a firm position in the global wine industry. Serves as a judge for many wine competitions across the world, such as the International Wine Challenge (IWC), held in London, one of the biggest wine competitions in the world. Awarded “IWC Personality of the Year 2016”.