![Masato Tsumamoto](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>)
Masato Tsumamoto
Director/Board Member at
AI ROBOTICS INC.
Net worth: 3 M $ as of 2026-05-30
Profile
Masato Tsumamoto was the founder of CellSource Co., Ltd., founded in 2015, and held the title of Representative Director & Chief Experience Officer from 2024 to 2025.
Mr. Tsumamoto currently holds the position of Independent Outside Director at Ai ROBOTICS, Inc. since 2022.
Mr. Tsumamoto completed undergraduate education at Kyoto University in 2005.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
CELLSOURCE CO., LTD. 6.83% | 2025-10-30 | 1,356,000 ( 6.83% ) | 3 M $ | 2026-05-30 |
Masato Tsumamoto active positions
| Companies | Position | Start |
|---|---|---|
| AI ROBOTICS INC. | Director/Board Member | 2022-02-28 |
Former positions of Masato Tsumamoto
| Companies | Position | End |
|---|---|---|
| CELLSOURCE CO., LTD. | Founder | - |
Training of Masato Tsumamoto
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Kyoto University
 Kyoto University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Ai ROBOTICS, Inc.
 Ai ROBOTICS, Inc. Packaged SoftwareTechnology Services Provides AI based marketing and sales services | Technology Services |
CellSource Co., Ltd.
 CellSource Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures and sells regenerative medicines & medical devices | Health Technology |
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