Karya Sinergi Jaya Group
An investment-based holding company with an integrated ecosystem driving sustainable growth across mining, technology, and environmental sectors.
Building a High-Value Business Ecosystem
Karya Sinergi Jaya (KSJ) Group is an investment holding company founded with a vision to orchestrate an integrated business ecosystem in Indonesia.
We are not a passive shareholder — KSJ Group actively injects strategic value into each portfolio through efficient governance, cross-entity synergies, and sustainable technology innovation.
With a strategically diversified portfolio across four core pillars — Mining & Resources, Environmental, Tech & Trading, and Professional Services — KSJ Group builds a comprehensive value chain.
Our Vision
"To become a leading holding company in Indonesia that creates positive sustainable impact through strategic investment integration, technology innovation, and environmental stewardship."
Our Mission
- ▸ Orchestrate a mutually reinforcing, high-value business ecosystem.
- ▸ Drive technology adoption for efficiency and global competitiveness.
- ▸ Ensure environmental sustainability across operations.
- ▸ Provide legal certainty and fiscal efficiency for all entities.
Holding Structure
A holding structure designed for optimal synergy across business units.
Milestones
Our journey in building a sustainable business ecosystem.
Foundation
KSJ Group was founded as an investment holding focused on strategic diversification.
Mining Operations Launched
MFA Mining and SGM began mining operations with high safety and environmental standards.
Digital Transformation
MIK joined as the digital integrator for the entire ecosystem.
Environmental Initiative
Nawasena Eco Berdaya was established for B3 waste management and circular economy programs.
Expansion & Compliance
The Professional Services units (Pranjani & Taxnisi) were founded to strengthen corporate governance.
Berkaria Partnership
Strategic partnership with Berkaria Foundation to amplify social and environmental impact.
Board of Directors
Led by experienced professionals with strong strategic vision.
Aria Putra Perdana
Leads the strategic vision and overall growth of the holding company.
Regi Oka Mahendra
Oversees corporate governance, compliance, and board administration.
Reza Atmala
Oversees daily operations and efficiency across all business units.
Riki Froto
Manages financial strategy, investments, and sustainable growth.
Muhammad Ibni
Leads digital transformation and cross-holding technology innovation.