Team
MANAGING DIRECTOR
Nicolas Ematang
Yambwa Nicolas Ematang is a senior Mechanical Engineer with over 30 years of cross-sector experience in asset maintenance management, project execution, and strategic engineering leadership.
He has served in multiple senior roles at Debswana Diamond Company, including Head of Engineering & Asset Management, Principal Engineer – Mechanical, and Senior Engineering Manager, leading large-scale operational, maintenance, and project portfolios.
Nicolas is recognized for his ability to align engineering strategies with corporate objectives, implement asset management frameworks, and oversee multi-million-pula projects such as major plant shutdowns, rope shovel refurbishments, and capital infrastructure upgrades. His leadership has driven reliability improvements, safety culture reinforcement, and cost optimization across mobile and fixed plant operations.
BUSINESS DEVELOPMENT DIRECTOR
KABELO SEMELE
Kabelo Semele is an experienced Electrical and Electronics Engineer with over 25 years of expertise in asset management, project leadership, and engineering systems.
His career at Debswana Diamond Company included senior roles such as Asset Management Engineer, Project Manager (SAP PM Reinforcement), and Project Manager (Ivara Implementation), where he led major system optimization initiatives, SAP PM implementations, and ISO 55001-aligned asset management strategies.
He has successfully delivered strategic projects that improved maintenance performance, operational efficiency, and equipment reliability, including the rollout of mobile work management solutions and asset management dashboards.
OPERATIONS DIRECTOR
MEDUPE RAMAROU
Results-driven Mechanical Engineer & Supply Chain Specialist with over 27 years of experience in the mining industry, leading high-impact engineering, asset management, and procurement transformations.
Proven expertise in Mobile and Fixed plants operations, reliability engineering, and Supply chain management, ensuring maximum efficiency, cost reduction, and operational excellence.
Adept at strategic problem-solving, predictive maintenance, and risk mitigation, with a strong track record in reducing downtime, extending asset lifespan, and improving cost efficiency. Known for building high-performing teams, driving innovation, and executing large-scale engineering projects. Committed to governance, compliance, and value creation in dynamic operational environments.
TECHNICAL DIRECTOR
SIDNEY JARABANI
Sidney Mooketsi Jarabani is a highly accomplished Electrical and Instrumentation Engineer with over 20 years of experience in asset management, engineering leadership, predictive maintenance, and automation.
His career spans senior roles at Debswana Diamond Company—including Quality Assurance Manager, Operational Readiness Manager, and Asset Management Engineer—where he spearheaded transformative initiatives in predictive maintenance, reliability engineering, and continuous improvement.
He has directed large engineering teams and managed complex plant operations, delivering measurable results in operational efficiency, equipment lifecycle optimization, and cost control. Sidney’s technical expertise covers PLC/SCADA systems, control and instrumentation, and advanced asset management frameworks. His leadership approach blends technical depth with strategic foresight, fostering a culture of quality, safety, and innovation.
Assetain can help you with building a robust asset management foundation for your company.
Engineering Leadership
Proven technical direction across electrical, mechanical, and instrumentation systems.
Operational Efficiency
Predictive maintenance and reliability engineering that reduces downtime, extends asset lifespan, and improves cost efficiency.
Asset Management Excellence
Strategic frameworks and execution capabilities backed by 30+ years of cross-sector engineering experience in maintenance management
Project Execution
Large-scale project delivery from plant shutdowns to infrastructure upgrades, ensuring safety, compliance, and value creation
Strategic Problem-Solving
Risk mitigation and innovative solutions that align engineering strategies with corporate objectives for measurable results.
Assetain Leadership
“The right team transforms asset management from a cost center into a strategic advantage. We combine deep technical expertise with proven leadership to deliver measurable results.”