![Arief Widyaman Sidarto](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>)
Arief Widyaman Sidarto
Directeur Général chez
PT AMMAN MINERAL INTERNASIONAL TBK
Fortune : 15 M $ au 30/06/2026
Profil
Arief Widyaman Sidarto currently works at PT Amman Mineral Nusa Tenggara, as Director from 2017, PT Amman Mineral Internasional Tbk, as President Director, SM Investments Pte Ltd., as Director, Slate Alt Pte Ltd., as Director, and Macmahon Holdings Ltd., as Non-Independent Non-Executive Director from 2026.
Mr. Sidarto also formerly worked at Macmahon Holdings Ltd., as Non-Independent Non-Executive Director from 2017 to 2023, PT Rajawali Corp., as Managing Director & Director, and Wellspring Capital Partners Pte Ltd., as Managing Director from 2010 to 2014.
Mr. Sidarto received his undergraduate degree from The Wharton School of the University of Pennsylvania and Masters Business Admin degree from Harvard Business School.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
| 31/12/2025 | 79 056 600 ( 0,11 % ) | 14 M $ | 30/06/2026 | |
| 13/07/2026 | 2 619 447 ( 0,12 % ) | 2 M $ | 30/06/2026 |
Postes actifs de Arief Widyaman Sidarto
| Sociétés | Poste | Début |
|---|---|---|
| PT AMMAN MINERAL INTERNASIONAL TBK | Directeur Général | - |
| MACMAHON HOLDINGS LIMITED | Directeur/Membre du Conseil | 29/04/2026 |
PT Amman Mineral Nusa Tenggara
 PT Amman Mineral Nusa Tenggara Other Metals/MineralsNon-Energy Minerals Mines for copper and gold ores | Corporate Officer/Principal | 01/04/2017 |
SM Investments Pte Ltd.
 SM Investments Pte Ltd. Investment ManagersFinance A join venture led by Salim Group and PT Medco Energi Internasional Tbk | Directeur/Membre du Conseil | - |
Slate Alt Pte Ltd. | Directeur/Membre du Conseil | - |
Anciens postes connus de Arief Widyaman Sidarto
| Sociétés | Poste | Fin |
|---|---|---|
| MACMAHON HOLDINGS LIMITED | Directeur/Membre du Conseil | 13/07/2023 |
Wellspring Capital Partners Pte Ltd. | Directeur Général | 01/01/2014 |
PT Rajawali Corp.
 PT Rajawali Corp. Specialty TelecommunicationsCommunications Operates as an investment holding company with interests in telecommunications, property, hotel management, and mining industries | Directeur Général | - |
Formation de Arief Widyaman Sidarto
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
9
Relations au 1er degré
9
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 9 |
|---|---|
Macmahon Holdings Ltd.
 Macmahon Holdings Ltd. CoalEnergy Minerals Provides mining, civil construction and engineering services | Energy Minerals |
PT Rajawali Corp.
PT Rajawali Corp. Specialty TelecommunicationsCommunications Operates as an investment holding company with interests in telecommunications, property, hotel management, and mining industries | Communications |
PT Amman Mineral Nusa Tenggara
PT Amman Mineral Nusa Tenggara Other Metals/MineralsNon-Energy Minerals Mines for copper and gold ores | Non-Energy Minerals |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
PT Amman Mineral Internasional Tbk
 PT Amman Mineral Internasional Tbk Precious MetalsNon-Energy Minerals Provides gold and copper mining services | Non-Energy Minerals |
Wellspring Capital Partners Pte Ltd. | |
SM Investments Pte Ltd.
SM Investments Pte Ltd. Investment ManagersFinance A join venture led by Salim Group and PT Medco Energi Internasional Tbk | Finance |
Slate Alt Pte Ltd. |
