Joel Thabo Kgomanyane

Debswana Diamond Company | 06/2023 – 12/2024

• Delivered geoscience inputs for Orapa Cut 3 Project; integrated multidisciplinary datasets into validated 3D geological and resource models; increased model confidence ~20%; reduced geological uncertainty ~15% in mine design.
• Controlled mineral resource classification and grade estimation workflows; improved reporting accuracy ~25%; maintained compliance with reporting standards and internal governance requirements.
• Implemented Technical Assurance Framework processes within MRM; reduced reporting discrepancies ~30%; strengthened consistency, traceability, audit readiness timelines ~20%.
• Executed AK1 dilution modelling, satellite pipe evaluation, coal characterization studies; reduced dilution risk ~10–15%; improved resource predictability for planning inputs.
• Produced feasibility study inputs and technical reports; supported capital planning decisions; reduced decision turnaround time ~20% across project evaluation stages.

Debswana Diamond Company | 01/2019 – 05/2023

• Delivered technical investigations for on-mine projects; improved geological model accuracy ~15%; applied structured QA/QC systems and validated datasets for modelling.
• Identified production ore risks using geological analysis; improved recovery efficiency ~10%; reduced dilution ~8% during mining operations.
• Coordinated annual mineral resource reviews and reporting cycles; reduced reporting timelines ~25%; ensured alignment with governance and compliance requirements.
• Prepared Competent Person Reports; contributed technical inputs to Cut 3 Expansion studies; reduced technology evaluation and adoption timelines ~15%.

Debswana Diamond Company | 09/2012 – 12/2018

• Controlled grade control, pit mapping, reconciliation processes; improved ore/waste classification accuracy ~12%; reduced reconciliation variance ~10% in production reporting.
• Designed drillhole plans and sampling programs; increased drilling efficiency ~18%; reduced data turnaround time ~20% for geological interpretation.
• Introduced GPR mapping for diamondiferous gravels; improved detection rates ~15%; strengthened confidence in resource delineation outputs.
• Prepared technical reports and stakeholder presentations; improved clarity of geological inputs; reduced operational decision response time ~20%

Debswana Diamond Company | 05/2010 – 08/2012

• Coordinated drilling and geophysical survey activities for OREP; contributed to resource upgrades; improved geological confidence ~10% across evaluated zones.
• Delivered field data collection across multiple projects; achieved >95% on-time completion; maintained adherence to safety and operational requirements.
• Applied geological logging, sampling, QA/QC procedures; reduced data errors ~15%; strengthened dataset reliability for downstream modelling.
• Mapped mineralized zones using geophysical surveys; increased exploration success rates ~12%; supported targeting decisions for drilling programs.

Hana Mining Company | 01/2010 – 04/2010

• Controlled drilling activities in Kalahari Copper Belt; improved productivity ~15%; applied real-time geological interpretation during active programs.
• Applied geological logging, sampling, QA/QC procedures; reduced dataset inconsistencies ~20%; ensured reliability of exploration data inputs.
• Refined exploration targeting approaches with technical teams; reduced operating costs ~10%; improved drilling precision and targeting outcomes.

CIC Energy Botswana | 04/2007 – 12/2009

• Completed coal resource evaluations for pre-feasibility studies; supported investment decisions for large-scale energy development projects.
• Supervised drilling and geophysical logging programs; improved coal seam identification accuracy ~15%; strengthened confidence in geological interpretation.
• Improved data capture and reporting workflows; increased interpretation efficiency ~20%; reduced delays in modelling and technical reporting.

• Orchestrated the planning, management, and execution of geoscience exploration and investigation programmes for the DGS. Managed geological and mineral exploration data sets while ensuring safe archiving in the database.
• Represented the DGS on Steering Committees for national geoscience projects, advising government departments and stakeholders on Botswana's geological setting and mineral resource potential.
• Improved geological data accuracy by conducting extensive field research, geophysical surveying, drilling, data analysis and sample collection.
• Evaluated feasibility of potential mining projects through thorough assessment of economic viability based on geologic findings.
• Advocated for sustainable practices in resource extraction, aligning strategies with environmental regulations and community needs.

• Participated in a learners' programme to gain real-world experience following graduation, involving engagements in field activities such as drilling and test pumping supervision, as well as ground geophysical surveys under senior consultancy guidance, alongside onsite data collection and reporting.