Ribeldi Bimantara is a business executive with over a decade of leadership experience in operations, business development, and strategic management across national-scale enterprises. Holding a Master’s degree in Business Management, he is recognized for his strategic acumen, operational discipline, and ability to scale businesses with measurable outcomes. As CEO of Bimantara Sacca Mitta, he brings a long-term vision and a commitment to building a professional, high-integrity mining and industrial company that aligns profitability with local empowerment and environmental responsibility.

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A third-generation limestone industry practitioner, dr. Rian Ardian Nasution brings both heritage and heart to the company. He grew up alongside his grandfather and father in the limestone business, absorbing deep industry knowledge from a young age. As a general practitioner with extensive experience in hospital management, dr. Rian is a respected community leader who bridges traditional industry values with modern sustainability practices. His empathetic leadership style and dedication to the welfare of local communities make him a trusted figure in both healthcare and industrial circles.

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Hafidz Muhammad Prodjokusumo is a business leader with strong expertise in marketing, branding, and business development. He has successfully led multiple growth and expansion initiatives across national-scale enterprises, bringing a unique combination of commercial acumen and strategic vision. At Bimantara Sacca Mitta, he plays a key role in shaping the company’s market positioning and growth strategy, ensuring that the business not only achieves operational excellence but also builds a strong, trusted presence in the industrial minerals sector.

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