THUMA CONSULTING
ENGAGE. SOLVE. SUSTAIN.
Thuma Consulting was founded by a collective of highly experienced professionals passionate about solving complex challenges across mining, infrastructure, industrial and associated systems. Born from a desire to work differently—leaner, smarter, and with purpose—Thuma Consulting was envisioned as a platform for high-calibre consultants to collaborate under a shared brand.
The name “Thuma” carries cultural significance, drawing from the concept of contribution, calling, or dispatch—an embodiment of action and service.
ABOUT US
— THUMA an embodiment of action and service
— What we stand for
In isiZulu and isiXhosa, two of South Africa’s official languages, the word “Thuma” means:
“Send” or “Dispatch”
It is commonly used in contexts where someone is being tasked, deployed, or sent with a purpose. A notable modern usage is the phrase “Thuma Mina”, meaning “Send Me”, popularized by President Cyril Ramaphosa’s 2018 State of the Nation Address, where it referenced a spirit of active service and commitment to nation-building.
Our Purpose
— VISION AND MISSION
What are we looking to achieve? What would we like to offer our clients? Diverse, agility, Capability and capacity. How can we use our collective experience to build South African business more competitive through productive, effectincy, corporate governance. How do we help our clients level up? We are focused on measurable value to deliver to our clients. building junior leadership in the built environment. next and future generation professionals.
An organization that is at the leading edge, that the business becomes, highly regarded, sought. Partner of choice. Turn key solution development. Cradle to grave consulting solutions. Sustainability.
To establish Thuma as the trusted partner of choice for integrated, cradle-to-grave consulting solutions — delivering sustainable value through innovation, credibility, and turnkey execution. We aspire to lead at the forefront of industry transformation, where our name is synonymous with excellence, reliability, and impact.
Our Services
— OUR VALUES
Client centered
Solving through simplification not complication
Innovation
Integrity
Partnerships
— We partner where purpose meets performance
At Thuma, we choose partners who share our commitment to strategic impact and long-term value. We believe real transformation happens when expert minds align around clear goals — delivering not just solutions, but sustained performance at the highest levels of business.
Processing
— sub heading
Body
Our Team
— Meet the team
Kris Miller
Kristina Miller is a sustainability and governance expert with 15+ years of experience in SHEQ, strategic projects, and purpose-driven leadership. At Thuma Consulting, she helps clients align operational performance with long-term value.
Elizabeth Links
Elizabeth Links is a Metallurgical Engineer with 14+ years’ experience in Operational, Technical, Project environments within the mining industry. Some of her experience was in strategic corporate roles focussed on improving business efficiencies. At Thuma Consulting, she brings technical & operational process optimisation skills, implementation of business improvement principles, project & change management and Learning design, development and delivery.
Pravesh Kumari
Pravesh Kumari is a mine closure and ESG professional with over 13 years of experience in operational, corporate, and internal consulting roles across Africa and Latin America. She brings deep expertise in strategic and financially sustainable mine closure solutions across Platinum, Iron Ore, Diamond, and Marine mining. At Thuma Consulting, she helps clients manage their closure liabilities, integrate closure into life-of-asset planning, and align with ESG frameworks such as IRMA and GISTM.
Krishni Arumugam
Krishni is a seasoned engineering professional with 22+ years’ global experience across high-hazard industries, specialising in Process safety/Loss Prevention, ESG strategy, and Decarbonisation. She has helped businesses design fit-for-purpose Risk frameworks and uncovered practical risk-reduction opportunities aligned with both operational and sustainability goals. At Thuma Consulting, Krishni brings the rare ability to translate complex technical risk into actionable, board-level strategy bridging her global engineering expertise with African impact.
Annette Small
Annette Small is a professional engineer with 19+ years of extensive experience in coal mining operations, traffic management systems, and engineering governance. As the youngest and only female Engineering Manager for 10 years at Thungela Operations, she successfully managed capital projects up to R200 million and pioneered Collision Management System implementations across multiple mining sites. A B.Eng (Mech) graduate with GCC DMRE certification and MBA in progress, Annette served as the first woman President of SACEA and is a Minerals Council "Woman in Modernization Heroes" Award Winner. Through her engineering consulting practices, she helps mining clients optimize safety performance, streamline regulatory compliance, and implement cost-effective traffic management solutions that reduce operational risk while maximizing asset performance
Jonathan Davies
Jonathan Davies is a Professional Engineering Technologist and bulk materials handling specialist with extensive experience across mining, mineral processing, logistics, ports, and heavy industry. His expertise spans conveyor and transfer systems, asset reliability, operational improvement, capital project assurance, and the development of practical engineering strategies that improve safety, throughput, availability, and whole-of-life asset performance. As a founding partner of Thuma Consulting, Jonathan works with clients from early opportunity identification and feasibility through design, implementation, commissioning, and operational optimisation. He combines hands-on engineering experience with commercial insight, data analytics, digital tools, and strategic advisory to simplify complex challenges, strengthen investment decisions, and convert technical opportunities into measurable enterprise value.
Wayne Ndlovu
Results-oriented consultant with extensive experience leading cost reduction and turnaround programs in the mining and processing sectors. Skilled in continuous improvement, value stream mapping, vendor management, and strategic sourcing. Proven track record of driving operational efficiencies, engaging stakeholders, and delivering measurable financial outcomes.
Kolani Mamburu
Kolani Mamburu is a professional engineer with extensive leadership and operational experience in mining, asset management, human performance and infrastructure project delivery. At Thuma Consulting, he provides strategic engineering and operational insight to help clients improve reliability, safety, project delivery and operational performance.
Simon Themba Mahlangu
Simon Themba Mahlangu is a seasoned professional in Mineral Processing operations and business improvement, with deep experience in process optimization and productivity enhancement. At Thuma Consulting, he partners with clients to unlock value and drive impactful, end-to-end operational transformation
Arif Moreno
Arif Moreno is a natural resources professional with 15 years of experience spanning mining, metals, and energy commodities. He advises companies by leveraging his strategy, engineering, business development, and project management expertise from operational, corporate, and advisory roles. Arif has a proven delivery track record, having shaped and executed over $100M in transformational initiatives, including vision and strategy setting, unlocking core business potential, positioning for sustainable growth, and implementing impactful ESG programmes. At Thuma Consulting, he partners with clients to shape strategy, maximise value, and drive impactful, forward-looking change.
Geoff Meyer
Geoff Meyer is a mining industry leader with over 30 years of experience across production management, process engineering, He leads the rollout of value-generating initiatives that align operations, finance, and technical teams to scale proven performance improvements across sites. Geoff built a reputation for uncovering breakthrough opportunities, reducing operational variability, and coaching multidisciplinary teams to deliver sustainable productivity gains. With earlier roles spanning financial modelling, metallurgical consulting, and plant production management, he brings deep technical and commercial credibility, underpinned by an MBA from Wits and a BSc in Chemical Engineering from UKZN.
Rodgers Mundembe
Rodgers is a seasoned Safety, Health and Environmental management professional with extensive experience across mining, construction, manufacturing and service industries. He is a Certified Internal Auditor with strong experience in HSE auditing, sustainability assurance, management systems, regulatory approvals, permits and licences. His credentials include a BSc Civil Engineering Honours, MBA, MSc in Environmental Policy and Planning, NEBOSH International Diploma, and Certified Professional Membership with NZISM. Notably, he served as a full member of Anglo American’s Elimination of Fatalities Task Team from 2018 to 2020.