Arief Widyaman Sidarto

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.