![Yuji Kotani](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Net worth: 4 M $ as of 2026-06-29
Yuji Kotani is Representative Director at Yakumo KK since 1998 and President & Representative Director at EJ Holdings Co., Ltd. since 2007.
Formerly, Mr. Kotani was Director at Eight-Japan Engineering Consultants, Inc. from 1992 to 1996.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
E·J Holdings Inc.
 E·J Holdings Inc. Engineering & ConstructionIndustrial Services Engages in the planning, operation and management of subsidiaries involved in construction consultation 2.23% | 2026-04-30 | 409,600 ( 2.23% ) | 4 M $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
Yakumo KK | Director/Board Member | 1997-12-31 |
| Companies | Position | End |
|---|---|---|
Eight-Japan Engineering Consultants, Inc.
 Eight-Japan Engineering Consultants, Inc. Engineering & ConstructionIndustrial Services Provides architectural, engineering and consulting services | President | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Eight-Japan Engineering Consultants, Inc.
Eight-Japan Engineering Consultants, Inc. Engineering & ConstructionIndustrial Services Provides architectural, engineering and consulting services | Industrial Services |
Yakumo KK |
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