![Yasuyuki Ishii](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>)
Yasuyuki Ishii
Chief Administrative Officer at
SIGMAKOKI CO., LTD.
Net worth: 160 000 $ as of 29/06/2026
Profile
Yasuyuki Ishii is currently Director, Accounting Manager & GM-Administration at Sigma Koki Co., Ltd. since 2023 and Managing Executive Officer at Kirin Co., Ltd. (Japan) since 2015.
Former positions include Manager-Technology Strategy at Kirin Holdings Co., Ltd. from 2007 to 2017 and Executive Officer & Deputy GM-Overseas Business at Suntory Spirits Ltd. (Old).
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SIGMA KOKI CO., LTD. 0.16% | 30/05/2025 | 12,000 ( 0.16% ) | 160 000 $ | 29/06/2026 |
Yasuyuki Ishii active positions
| Companies | Position | Start |
|---|---|---|
| SIGMAKOKI CO., LTD. | Chief Administrative Officer | 30/11/2020 |
Kirin Co., Ltd. (Japan)
 Kirin Co., Ltd. (Japan) Beverages: AlcoholicConsumer Non-Durables Engages in manufacturing and marketing alcohol and non-alcohol beverages | Corporate Officer/Principal | 28/02/2015 |
Former positions of Yasuyuki Ishii
| Companies | Position | End |
|---|---|---|
Suntory Spirits Ltd. (Old)
 Suntory Spirits Ltd. (Old) Beverages: AlcoholicConsumer Non-Durables Manufactures alcoholic beverages | Corporate Officer/Principal | - |
| KIRIN HOLDINGS COMPANY, LIMITED | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
23
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Kirin Holdings Co., Ltd.
 Kirin Holdings Co., Ltd. Beverages: AlcoholicConsumer Non-Durables Manufactures and sells beer, liquor & soft drinks, pharmaceutical ingredients and health science business | Consumer Non-Durables |
Sigma Koki Co., Ltd.
 Sigma Koki Co., Ltd. Electronic ComponentsElectronic Technology Manufactures and markets basic optical equipment and components | Electronic Technology |
Suntory Spirits Ltd. (Old)
Suntory Spirits Ltd. (Old) Beverages: AlcoholicConsumer Non-Durables Manufactures alcoholic beverages | Consumer Non-Durables |
Kirin Co., Ltd. (Japan)
Kirin Co., Ltd. (Japan) Beverages: AlcoholicConsumer Non-Durables Engages in manufacturing and marketing alcohol and non-alcohol beverages | Consumer Non-Durables |
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