![Ryotaro Sumi](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>)
Fortuna: - $ al 31/08/2026
Ryotaro Sumi is currently Director at Mitsui Water Holdings (Thailand) Ltd. and Director at Mitsui & Co. (Asia Pacific) Pte Ltd. Formerly, Mr. Sumi was Director at TTW Public Co. Ltd. from 2012 to 2015 and Director at Repower Energy Development Corp.
Education includes undergraduate studies at Waseda University.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
| 01/07/2026 | 1 ( 0 % ) | 0 $ | 31/08/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
Mitsui Water Holdings (Thailand) Ltd.
 Mitsui Water Holdings (Thailand) Ltd. Financial ConglomeratesFinance Investment holding vehicle of Mitsui & Co Ltd | Director/Miembro de la Junta | - |
Mitsui & Co. (Asia Pacific) Pte Ltd.
 Mitsui & Co. (Asia Pacific) Pte Ltd. Wholesale DistributorsDistribution Services Engages in product sales, logistics and financing activities | Director/Miembro de la Junta | - |
| Empresas | Cargo | Fin |
|---|---|---|
| TTW | Director/Miembro de la Junta | 06/04/2015 |
| REPOWER ENERGY DEVELOPMENT CORPORATION | Director/Miembro de la Junta | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 5 |
|---|---|
TTW Public Co. Ltd.
 TTW Public Co. Ltd. Water UtilitiesUtilities Engages in the processing and sale of tap water | Utilities |
Waseda University
 Waseda University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Mitsui Water Holdings (Thailand) Ltd.
Mitsui Water Holdings (Thailand) Ltd. Financial ConglomeratesFinance Investment holding vehicle of Mitsui & Co Ltd | Finance |
Mitsui & Co. (Asia Pacific) Pte Ltd.
Mitsui & Co. (Asia Pacific) Pte Ltd. Wholesale DistributorsDistribution Services Engages in product sales, logistics and financing activities | Distribution Services |
Repower Energy Development Corp.
 Repower Energy Development Corp. Alternative Power GenerationUtilities Generates and supplies hydroelectric power | Utilities |
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