Hiroshi Sakuma

Hiroshi Sakuma

Director/Board Member at SUMISEKI HOLDINGS,INC.

Net worth: 941 231 $ as of 30/03/2024

79 year
Technology Services
Distribution Services

Profile

Hiroshi Sakuma currently works at Why How Do Co., Inc., as Independent Outside Director from 2017, Sumiseki Holdings, Inc., as Independent Outside Director from 2009, and Sumiseki Trading Co., Ltd., as Director & Executive Vice President from 2015.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
30/03/2023 103,300 ( 0.18% ) 941 231 $ 30/03/2024

Hiroshi Sakuma active positions

CompaniesPositionStart
SUMISEKI HOLDINGS,INC. Director/Board Member 31/05/2009
THE WHY HOW DO COMPANY, INC. Director/Board Member 31/08/2017
Sumiseki Trading Co., Ltd. Director/Board Member 31/05/2015
All active positions of Hiroshi Sakuma

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Hiroshi Sakuma's experience

Connections

26

1st degree connections

3

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Listed companies2
THE WHY HOW DO COMPANY, INC.

Technology Services

SUMISEKI HOLDINGS,INC.

Distribution Services

Private companies1
Sumiseki Trading Co., Ltd.

See company connections
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