Joined Nippon Telegraph and Telephone Public Corporation (present-day NIPPON TELEGRAPH AND TELEPHONE CORPORATION)

Joined Bain & Company Japan, Inc.

Joined Schroder PTV Partners KK

Seconded to SAZABY Inc. (present-day SAZABY LEAGUE, Ltd.)

Director and General Manager of Corporate Planning Office

Established IGRAM LIMITED, Representative Director (present)

Specially Appointed Professor at Graduate School of Social Designs Studies, Rikkyo University

Outside Director of the Company (present)

Sumida Corporation, Outside Director (present)

Visiting Professor at Graduate School of Social Designs Studies, Rikkyo University (present)

Specially Appointed Professor at Graduate School of Media and Governance, Keio University