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Mr. Willem Johannes Christoffel Pothas
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Professional Information
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BSc or Equivalent
- Mine Manager Certificate - Department of Mineral Resources : 23/10/1979 - Present
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BSc or Equivalent
- Mine Manager Certificate for Fiery Coal Mines - Department of Mineral Resources : 04/04/1986 - Present
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MSc or Equivalent
- MBA - University of NorthWest : 03/03/1982 - 18/09/1987
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BSc or Equivalent
- B Sc Mining Engineering - University of Pretoria : 08/02/1971 - 04/11/1974
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Business Development Course for Harmony Gold University of Witwatersrand, 2006
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Ground Control Course University of Mc Gill in Montreal Canada, 1980
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Free Lance MQA facilitator, Assessor and Moderator : ( 01/04/2019 - Present )
- Rock Engineer
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All accredited MQA service providers for training in SADC countries linked to mining and processing, expert in artisanal small scale mining.
Environmental friendly processing, mercury free mining.
Production worthy safe excavations, immediate short term and long term
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Pothas BK Training and Consulting : ( 14/11/2013 - 31/03/2019 )
- Owner
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Do selected Training and consulting projects in Africa.
Visiting Professor at NUST
Contractor Mining in Ghana
Ground Control Review of Glencore in Zambia.
Assessor/Moderator courses with Osorio Trianing
Optimization of blasting for Wessels mine
Pit review for Tiger Resources in DRC.
Project in Chad for Government in Sahara
Second Level Audit Team for Harmony Gold
Western Chrome Strata Control Training
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Harmony Gold Mining Corporation : ( 08/07/2007 - 13/11/2013 )
- Project Manager - Group Safety Manager Mining
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Running several projects for Harmony.
Jeannette in Free State
Evander South
Evander 6#
Evander Popular
In Charge of Global Best practices MOSH adoption
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Harmony Gold Mining Corporation : ( 25/11/2005 - 07/07/2007 )
- Production Manager
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Kusasalethu mine
Responsible for safe production of gold.
Introduce pre-conditioning.
Optimize back filling.
In Charge of the upper mine
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Harmony Gold Mining Corporation : ( 16/05/2005 - 16/11/2005 )
- Production Manager
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Optimize the D-Zone pit
Start mining A Zone pit
Introduce a new mining contractor Als Mining
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Brentley Lucas and Associates : ( 11/02/2002 - 15/05/2005 )
- Rock Engineer Consultant
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Based on Elandskraal initially
Transferred to Harmony Orkney Operations
Start looking at Kalgold operations
Seconded to Kalgold full-time
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Geo-Lynx Planning and geo-technical systems : ( 11/09/2001 - 02/02/2002 )
- Mine Planner- Optimization
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Learn all the software
GeoLog
StopCad
Mines Works Planner
Whittle
Drafting
Mine24D
Simulations
3D modelling
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ITM : ( 11/03/2001 - 16/12/2001 )
- Contractor Mining Engineer
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Work on alluvial mining sites in Lucapa, Mafutu Notre in Angola
FIFO system
Produced 50 -150k ct/month
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Star Diamonds : ( 27/09/1999 - 01/03/2001 )
- General Manager
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Safe production of fissure type industrial diamonds
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Gold Fields of South Africa : ( 11/02/1993 - 25/09/1999 )
- Production Manager West Driefontein GM
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Second in Charge of 17000 workers, producing 3ton of gold per month.
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Rooiberg Tin : ( 11/09/1989 - 02/02/1993 )
- Underground Manager - General Manager
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In charge of all production, several shafts and metallurgical plants and smelter.
Promoted to GM
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Gold Fields of South Africa : ( 13/09/1976 - 10/09/1989 )
- Rock Engineer
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Training in Rock Engineering
Rock Engineer.
Senior Rock Engineer.
Chief Rock Engineer.
Develope backfill deslime tailings from pilot plant to full scale on East Driefontein GM
Rock Engineering Manager
Career change:
Underground Manager Production
Safe production of gold
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Springfield Collieries Amcoal : ( 08/03/1976 - 09/09/1976 )
- Mining Graduate-Project Engineer
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Gas testing certificate,
Blasting Certificate.
Supervision training at Maccauvlei Training Services
Ash-fill project and experimental mining on consolidated ash-fill, conventional.
Implement continuous miner is section.
Miner and shiftboss, promoted to technical assistant.
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De Beers Diamond Corporation : ( 07/11/1974 - 16/02/1976 )
- Mining Graduate
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Basic mining to register as professional engineer with ECSA, transferred to AMCOAL
| Language | Read Level | Written Level | Spoken Level |
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| Portuguese | Medium | Low | Medium |
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