Ryuich was Vice Chairmen for Japan Retailers Association. Ryuich Isaka joined Seven & I in 1980. Ryuich served as Representative Director and President of Seven-Eleven Japan Co., Ltd and Representative Director and President for Seven & I.Ryuich Isaka is currently President at Seven & I - View - Seven & I org chart
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Ryuich Isaka graduated from Aoyama Gakuin University.
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