1994Joined East Japan Railway Co.

2001Joined Asahi Arthur Andersen Ltd.(currently KPMG Consulting Co., Ltd.)

2001Joined Japan Telecom Inc. (currently Softbank Corp.)

2004Seconded to SOFTBANK BB Corp.(currently Softbank Corp.)

2005CEO, SOFTBANK Players Group(currently SB Players Group) (to present)
CEO, Odds Park Corp.

2009Chairman,Odds Park Banei Management Corp.

2010CEO, DreamNetMarketing Corp.
CEO, EDUAS Corp.

2011Outside Director, Green Power Investment Corp.
COO, SB Energy Corp.(currently Terras Energy Corp.)

2013CEO, SB Power Corp.

2014CEO, Satofull Co., Ltd. (to present)

2015Chairman, Tabirism Corp.（to present）

2019Chairman, Odds Park Corp. (to present)

2019CEO, Tanemaki Inc. (to present)