Katsuhiro Umeyama founded Umeyama Accounting Firm. Currently, he is Auditor for Vietnam Kuraudia Co., Ltd. Mr. Umeyama is also on the board of Nintendo Co., Ltd., KURAUDIA HOLDINGS Co., Ltd. and Umeyama Accounting Firm.

In his past career Mr. Umeyama occupied the position of Auditor at Shiga University of Medical Science.