Koichi Hayashi

Director/Board Member at PLAZA HOLDINGS CO.,LTD.

61 year

Producer Manufacturing

Retail Trade

Commercial Services

Profile

Koichi Hayashi is currently President & Representative Director at Attax Business Consulting since 2006, Representative Director at Atax Co., Ltd. since 2008, and Outside Director at PLAZA HOLDINGS CO., LTD.
since 2018.
Formerly, Mr. Hayashi was Independent Outside Director at CKD Corp.
from 2022 to 2026.

Koichi Hayashi active positions

Companies	Position	Start
PLAZA HOLDINGS CO.,LTD.	Director/Board Member	01/06/2018
Atax Co., Ltd.	Director/Board Member	01/03/2008
Attax Business Consulting Attax Business Consulting Miscellaneous Commercial ServicesCommercial Services Provides management consulting and its related consulting services	President	01/03/2006

All active positions of Koichi Hayashi

Former positions of Koichi Hayashi

Companies	Position	End
CKD CORPORATION	Independent Dir/Board Member	26/06/2026

See the detail of Koichi Hayashi's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Koichi Hayashi's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	4
CKD Corp. CKD Corp. Industrial MachineryProducer Manufacturing Manufactures pneumatic equipment, control devices, packaging machinery and lithium-ion batteries	Producer Manufacturing
PLAZA HOLDINGS CO., LTD. PLAZA HOLDINGS CO., LTD. Electronics/Appliance StoresRetail Trade Sells mobile terminals products	Retail Trade
Attax Business Consulting Attax Business Consulting Miscellaneous Commercial ServicesCommercial Services Provides management consulting and its related consulting services	Commercial Services
Atax Co., Ltd.