Yuji Koyama

Director of Finance/CFO at CORE CORPORATION

Net worth: 444 387 $ as of 2026-06-29

61 year

Technology Services

Electronic Technology

Profile

Yuji Koyama currently works at Core Corp., as Chief Financial Officer & Representative Director.
Mr. Koyama also formerly worked at Lambda Systems, Inc., as Director.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CORE CORPORATION 0.25%	2025-03-30	37,000 ( 0.25% )	444 387 $	2026-06-29

Yuji Koyama active positions

Companies	Position	Start
CORE CORPORATION	Director of Finance/CFO	-

All active positions of Yuji Koyama

Former positions of Yuji Koyama

Companies	Position	End
Lambda Systems, Inc. Lambda Systems, Inc. Telecommunications EquipmentElectronic Technology Manufactures, develops and markets broadcasting and communication equipment and software	Director/Board Member	-

See the detail of Yuji Koyama's experience

Experiences
Positions held

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Private companies

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Connections

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Members of the board

Executives

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Linked companies

Private companies	2
Core Corp. Core Corp. Information Technology ServicesTechnology Services Provides IT and system integration services	Technology Services
Lambda Systems, Inc. Lambda Systems, Inc. Telecommunications EquipmentElectronic Technology Manufactures, develops and markets broadcasting and communication equipment and software	Electronic Technology