![Katsunori Shimomura](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>)
Katsunori Shimomura
No open positions remaining
Net worth: 21 M $ as of 2026-08-30
Profile
Katsunori Shimomura is the founder of Core Concept Technologies, Inc., founded in 2009.
Held the title of Representative Director from 2015 to 2020 at Core Concept Technologies, Inc. Attended the University of Tokyo and completed an undergraduate degree in 1979.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-30 | 2,260,000 ( 12.63% ) | 21 M $ | 2026-08-30 |
Former positions of Katsunori Shimomura
| Companies | Position | End |
|---|---|---|
| CORE CONCEPT TECHNOLOGIES INC. | Founder | - |
Training of Katsunori Shimomura
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
95
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
University of Tokyo
 University of Tokyo Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Core Concept Technologies, Inc.
 Core Concept Technologies, Inc. Information Technology ServicesTechnology Services Provides digital transformation and IT human resources procurement support services | Technology Services |
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