Profile

Koshi Kakuta is the founder of Open Source Japan Ltd.
which was founded in 2002.
He held the title of Chief Executive Officer & Representative Director.
Currently, Mr. Kakuta holds the position of Independent Outside Director at Core Concept Technologies, Inc. since 2019 and Auditor at S-cubism, Inc. since 2011.
Mr. Kakuta's former position was as Chief Executive Officer & Representative Director at SIOS Corp.

Koshi Kakuta active positions

CompaniesPositionStart
CORE CONCEPT TECHNOLOGIES INC. Director/Board Member 2021-02-28
Comptroller/Controller/Auditor 2011-06-30
All active positions of Koshi Kakuta

Former positions of Koshi Kakuta

CompaniesPositionEnd
Open Source Japan Ltd. Founder -
SIOS CORPORATION Chief Executive Officer -
See the detail of Koshi Kakuta's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Koshi Kakuta's experience

Connections

13

1st degree connections

4

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Listed companies2
SIOS CORPORATION

Technology Services

CORE CONCEPT TECHNOLOGIES INC.

Technology Services

Private companies2
Open Source Japan Ltd.

Technology Services

Technology Services

See company connections