![Yoshihiro Arai](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>)
Yoshihiro Arai
President at
SOLASIA PHARMA K.K.
Net worth: 297 673 $ as of 31/08/2026
Profile
Yoshihiro Arai is President & Representative Director at Solasia Pharma KK since 2013, with employment at the company starting in 2007.
Former positions include Principal at Amgen KK and Principal at Searle Yakuhin KK.
Education includes an MBA from the University of Wales (Bangor) and undergraduate and graduate degrees from Tokyo University of Pharmacy & Life Science.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SOLASIA PHARMA KK 0.58% | 31/12/2025 | 1,584,545 ( 0.58% ) | 297 673 $ | 31/08/2026 |
Yoshihiro Arai active positions
| Companies | Position | Start |
|---|---|---|
| SOLASIA PHARMA K.K. | President | 01/02/2013 |
Former positions of Yoshihiro Arai
| Companies | Position | End |
|---|---|---|
Searle Yakuhin KK | Corporate Officer/Principal | - |
Amgen KK
 Amgen KK Pharmaceuticals: MajorHealth Technology Engages in developing pharmaceuticals | Corporate Officer/Principal | - |
Training of Yoshihiro Arai
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
15
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
University of Wales (Bangor)
 University of Wales (Bangor) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Amgen KK
Amgen KK Pharmaceuticals: MajorHealth Technology Engages in developing pharmaceuticals | Health Technology |
Solasia Pharma KK
 Solasia Pharma KK Pharmaceuticals: MajorHealth Technology Engages in the development, sale, import and export of pharmaceutical products and medical devices | Health Technology |
Tokyo University of Pharmacy & Life Science
 Tokyo University of Pharmacy & Life Science Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Searle Yakuhin KK |
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