MEET OUR TEAM

Devendra Vyas

Devendra Vyas

Managing Director and Principal Mining Engineer | B.E. (Mining Engineering), MSAIMM, MECSA

Mr. Vyas is a mining engineer with approximately 18 years’ experience in geological modelling, mining engineering, strategic mine planning, due diligence, strategic business planning, and project management.

He is the principal shareholder of the ABGM Group (South Africa and India). He commenced his career with Hindustan Zinc Limited (India) as Engineer-Mines and later joined Datamine International Ltd. (India), Ararat Gold Recovery Company (Armenia), Konkola Copper Mines Plc (Zambia), Datamine South Africa, CAE Mining Africa, and UK.

Mr. Vyas is a Competent/Qualified Person for Mineral Resources in several commodities, particularly base, and precious metals.

Ettienne Oosthuizen

Ettienne Oosthuizen

Operations Manager and Principal Mining Engineer | B.Tech Mining Engineering, MSAIMM

Mr Oosthuizen has over 18 years of experience, the first 10 years being spent working for AngloGold Ashanti’s deepest underground gold operation at Mponeng Mine.

He joined ABGM South Africa in 2011 to further his expertise in the mining engineering industry and has since been involved in various underground and open pit projects and specialising in hard rock metal and coal opencast and underground projects.  He is actively involved in the technical management of projects with regards to mine optimisation and tactical planning at various operations in South Africa and abroad.

His expertise includes project management, mine consulting, pre-feasibility studies; financial modelling, mine design and LOM planning/scheduling and open pit optimisation. He has extensive knowledge in planning software platforms for mine planning, design and scheduling including NPVS/Whittle and Datamine Studio platforms.

William Gillespie

William Gillespie

Principal Mining Engineer | Nat. Diploma Mining – EUR Eng – CEng – FIM

Mr. Gillespie has over 50 years of comprehensive mining operational and planning experience. He commenced his career with British Coal in Scottish Division and later went to the Zambian Copper belt where he held senior positions, both technical and operational, in surface and underground copper/cobalt mines. Bill moved to South Africa with McAlpine Mining & Civils as Manager Mining involved in owner and contract mining of Opencast Coal and Base Metals progressing to Managing Director McAlpine SA.

Subsequent to the sale of McAlpine mining interests to Gencor, Bill joined Trans Natal as Senior Manager Inland Coal operations and marketing. Gencor seconded Bill to their Australian business unit as Manager Coal Development. He subsequently became General Manager Billiton, Australasia region responsible for exploration, acquisitions and business development after Gencor’s reverse takeover of Billiton.

André van der Merwe

André van der Merwe

General Manager | Grad. Dip. Eng. (Mining), BSc (Hons) Geophysics, Pr. Sci. Nat. FGSSA

Mr. van der Merwe has 30+ years of hands on experience in the minerals industry with insightful knowledge in the disciplines of geology, geophysics, exploration, mining, project management, project development and mineral economics.

He has completed many Competent/Qualified Person technical reports, due diligence reviews and mineral asset valuations covering a wide range of mineralisation styles. He also has been Technical Consultant/Advisor/Owner’s Engineer for successful listings on FTSE, AIM, TSX, ASX and JSE, as well as institutional and private fundraisings. André has managed Prefeasibility and Bankable Feasibility Studies on several mining projects.

He has extensive experience across the metal, ore and gemstone categories and has worked for mining organisations across Africa, the Americas, Eastern Europe and Australia.

Pieter Groenewald

Pieter Groenewald

Head - Geotechnical Services| MSAIMM, MSANIRE

Mr. Groenwald has 24 years of professional experience in various Rock Engineering and geotechnical-related projects. He has practiced as a rock engineering specialist for various Mining Companies (Goldfields, AngloGold Ashanti, Harmony Gold, Kalgold, Lanxess, and Tharisa) as well as Consulting Companies (Middindi, Nostrada, and Rhimak).

He served as a researcher on several projects for the CSIR (Seismicity on Platinum Mines – Pillar Failures; Trigger response for fall of ground predictions on Platinum Mines; Stress-induced fracturing around panels on deep level mining (Lead and Lag Project).

His specialist skills include consulting to the mining industry in rock engineering, geotechnical and mining disciplines; solving mine design and rock engineering problems using experience, numerical models and mathematical equations.

Colin Little

Colin Little

Head- Mining Services | NHD Mine Eng | BTech Mine Eng | Prince2 Foundation | MMC

Mr. Little has over 17 years Mine Engineering experience from Mine Planning, Mine Production, Supervision, Project Management both Open Pit and Underground and has served in various roles at major consultancy and mining houses worldwide.

Core Skills include – local and international operational and consulting experience in open pit and underground (both mechanised and conventional), doing Project management, mineral resource management, production planning, mine designing, operational and capital cost estimates, cost modelling, mine closure and consulting by use of an extensive OEM database and Cost Engineering models.

Kamal Chatterjee

Kamal Chatterjee

PME and Project Lead| B.E. Mining Engineering| Business Management

A dedicated professional with 30 years of rich experience in Mining and Minerals Sector with deep expertise of handling change dictated by intricate challenges of Operational Excellence and growth. Mr. Chatterjee is a strong believer that Transformation and Change in uncertain times requires renewed and relentless focus on Strategic Planning & Management, Operational excellence, data driven continuous improvement within Sustainability paradigm.  Expertise in managing the mining operations with key focus on top line / bottom line profitability by ensuring optimal utilization of assets & resources.

Phil Gilbert

Phil Gilbert

Senior Project Manager | NHD-Mine Surveying, MDP-Mine Management

Mr. Gilbert is qualified in business management and mine surveying with extensive experience in the mineral extraction industry particularly in contract management and mineral resource management.

A pragmatic, analytical and logical person with good interpersonal skills with a sound understanding of the financial and technical constraints involved in large mining operations.  His varied skillset and experience promotes and enables communication across disciplinary and departmental boundaries; and has proven project management skills in areas such as tender preparation, mining operations, systems testing, and system implementation.

More recently Philip has been consulting to various mining contractors in South Africa and Australia. Philip recently worked as Principal Mining Consultant for MineRP in Brisbane.

Mpai Mmatlala (Motloung) Mosiuoa

Mpai Mmatlala (Motloung) Mosiuoa

Project Manager | BSc. (Hons) Geology | GDE (Mining) | Pr. Sci. Nat. | FGSSA,| MSAIMM

During the last fifteen years in the minerals industry Ms. Mosiuoa has worked as a Junior Mineral Economist (Mintek), Assistant to the Technical Director (Finstone), Mineral Project Analyst (Venmyn), Mining Investment Associate at the South African National Empowerment Fund (NEF), and Technical Director at Lurco Group (Pty) Ltd.

She has provided expertise in research in global and local economics of mineral commodities, research for strategy implementation for the then DME, now referred to as the DMR and DTI and research for policy implementation for various government bodies in South Africa and in the SADC region.

She has been responsible for technical evaluation of mineral projects. This included mineral resources estimation, identification of technical fatal flaws, technical audits (or due diligence), geological and resources modelling, project financial valuation compiling CRISCO reporting code compliant technical reports, project advisory & management and client liaison.

Sandeep Muralidharan

Sandeep Muralidharan

Associate Manager-Business Development | MBA, PDBM, B.Tech-ECE

Mr. Muralidharan is a business driven enthusiast passionate towards business development and marketing initiatives holds a Masters in Business Administration and B.Tech in Electronics and Communication Engineering. He is a IABAC certified Data scientist and a member of the Institute of Business Advisors Southern Africa (IBASA).

He adopts a hands-on approach in the field of Digital Marketing. He has been exposed to managing grand events and playing a crucial part in branding such corporate functions. He has also gained experience of few years of working as a Business Analyst. His expertise is in Marketing and Brand Management, though he believes he is learning something more every day.

Rito Mahundla

Rito Mahundla

Mining Engineer| Bachelor of Engineering (Mining)

Mr Muhandla is a Mining Engineer with approximately 6 years’ experience in various Technical Services Departments. Experience includes Mine Design, Planning and Scheduling, Underground Mine Planning Software Training Facilitation, Underground Mine Planning Software Implementation Projects, Ventilation and Occupational Hygiene. Rito has previously worked as an Underground Mine Planning Consultant at Datamine Africa; Mine Planning, Business Improvement as well as the VOHE departments at Anglo American Coal SA and as a Project Engineer for Explosives at BME. Rito has gained experience across the Technical Services departments more specifically in Underground Mining

He joined A&B Global Mining in June 2022 to further his career as an all-round Mining Engineer. He has experience in the following software packages: Datamine software suite viz. Studio 5D Planner, Studio UG, EPS, Aegis, ProgeCad, XPAC with the application of the software in both hard and soft rock.

Ondrej Zeeman

Ondrej Zeeman

Senior Mine Planner | 2nd Year B.tech Mining Engineering

Mr. Zeeman has over 10 years of mine planning experience including open pit and underground mine design, block cutting, sequencing, and production scheduling.

He is the key role player for the tactical mine planning at Harmony Gold’s Kalgold open-pit mining operation.

Pieter Potgieter

Pieter Potgieter

Mine Planner | NDMIN

Mr. Potgieter is a Mining Engineer specialising in Mine Planning, Block Model manipulation and Data Modelling.

He proficient in Excel, Hazard Trackers used in compliance with the DMR and Datamine solutions. Previous experience includes Mine Planning at Ukwazi, Junior Design Engineer at Sound Mining and assisted Mine Planning at Pilanesberg Platinum Mines (PPM).

Tendai Mapeta

Tendai Mapeta

Geologist and Mine Planner | B.Sc. Geology Engineering

Ms. Mapeta is a geologist with over 5 years of experience. Her expertise includes open pit mine design, block cutting, and draughting. She has also been instrumental in various geological modelling and technical reporting projects.

Akinkunle Akinola

Akinkunle Akinola

Junior Mine Planner| BTech Mining Engineering| MECSA|MSAIMM

Mr. Akin is a mining engineer with over 3 years of experience. He joined ABGM in 2021 to expand his understanding in open pit projects. He is currently working on open pit mine designs, dump designs sequence and schedule, and he is advancing towards scheduling in EPS.

Kyle Govender

Kyle Govender

Graduate Engineer Trainee| BSc (Hons) Mining Engineering

Mr. Govender is a graduate Mining Engineer. He has assisted multiple open pit and waste rock dump remining projects. He is currently gaining experience in open pit mine optimisation, design, and scheduling.

Candice Willemse

Candice Willemse

HR Manager and Project Secretary

Ms. Willemse is the office manager and is responsible for assisting the directors of the company with the smooth functioning of the company. She is also responsible for human resource management and project administration

CONTACT DETAILS

PHYSICAL ADDRESS: 

SOUTH AFRICA OFFICE:

West End Office Park

Building C

3rd Floor

246 Hall Street 

Die Hoewes Ext 286

Centurion 

Gauteng, South Africa

AB Global Mining

CONTACT DETAILS: 

SOUTH AFRICA OFFICE: 

Tel: +27 12 644 1199/81

Fax: +27 12 644 1185

Email: info@abglobalmining.co.za

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Devendra Vyas

Devendra Vyas

Managing Director and Principal Mining Engineer | B.E. (Mining Engineering), MSAIMM, MECSA

Mr. Vyas is a mining engineer with approximately 18 years’ experience in geological modelling, mining engineering, strategic mine planning, due diligence, strategic business planning, and project management.

He is the principal shareholder of the ABGM Group (South Africa and India). He commenced his career with Hindustan Zinc Limited (India) as Engineer-Mines and later joined Datamine International Ltd. (India), Ararat Gold Recovery Company (Armenia), Konkola Copper Mines Plc (Zambia), Datamine South Africa, CAE Mining Africa, and UK.

Mr. Vyas is a Competent/Qualified Person for Mineral Resources in several commodities, particularly base, and precious metals.

Ettienne Oosthuizen

Ettienne Oosthuizen

Operations Manager and Principal Mining Engineer | B.Tech Mining Engineering, MSAIMM

Mr Oosthuizen has over 18 years of experience, the first 10 years being spent working for AngloGold Ashanti’s deepest underground gold operation at Mponeng Mine.

He joined ABGM South Africa in 2011 to further his expertise in the mining engineering industry and has since been involved in various underground and open pit projects and specialising in hard rock metal and coal opencast and underground projects.  He is actively involved in the technical management of projects with regards to mine optimisation and tactical planning at various operations in South Africa and abroad.

His expertise includes project management, mine consulting, pre-feasibility studies; financial modelling, mine design and LOM planning/scheduling and open pit optimisation. He has extensive knowledge in planning software platforms for mine planning, design and scheduling including NPVS/Whittle and Datamine Studio platforms.

William Gillespie

William Gillespie

Principal Mining Engineer | Nat. Diploma Mining – EUR Eng – CEng – FIM

Mr. Gillespie has over 50 years of comprehensive mining operational and planning experience. He commenced his career with British Coal in Scottish Division and later went to the Zambian Copper belt where he held senior positions, both technical and operational, in surface and underground copper/cobalt mines. Bill moved to South Africa with McAlpine Mining & Civils as Manager Mining involved in owner and contract mining of Opencast Coal and Base Metals progressing to Managing Director McAlpine SA.

Subsequent to the sale of McAlpine mining interests to Gencor, Bill joined Trans Natal as Senior Manager Inland Coal operations and marketing. Gencor seconded Bill to their Australian business unit as Manager Coal Development. He subsequently became General Manager Billiton, Australasia region responsible for exploration, acquisitions and business development after Gencor’s reverse takeover of Billiton.

André van der Merwe

André van der Merwe

General Manager | Grad. Dip. Eng. (Mining), BSc (Hons) Geophysics, Pr. Sci. Nat. FGSSA

Mr. van der Merwe has 30+ years of hands on experience in the minerals industry with insightful knowledge in the disciplines of geology, geophysics, exploration, mining, project management, project development and mineral economics.

He has completed many Competent/Qualified Person technical reports, due diligence reviews and mineral asset valuations covering a wide range of mineralisation styles. He also has been Technical Consultant/Advisor/Owner’s Engineer for successful listings on FTSE, AIM, TSX, ASX and JSE, as well as institutional and private fundraisings. André has managed Prefeasibility and Bankable Feasibility Studies on several mining projects.

He has extensive experience across the metal, ore and gemstone categories and has worked for mining organisations across Africa, the Americas, Eastern Europe and Australia.

Pieter Groenewald

Pieter Groenewald

Head - Geotechnical Services| MSAIMM, MSANIRE

Mr. Groenwald has 24 years of professional experience in various Rock Engineering and geotechnical-related projects. He has practiced as a rock engineering specialist for various Mining Companies (Goldfields, AngloGold Ashanti, Harmony Gold, Kalgold, Lanxess, and Tharisa) as well as Consulting Companies (Middindi, Nostrada, and Rhimak).

He served as a researcher on several projects for the CSIR (Seismicity on Platinum Mines – Pillar Failures; Trigger response for fall of ground predictions on Platinum Mines; Stress-induced fracturing around panels on deep level mining (Lead and Lag Project).

His specialist skills include consulting to the mining industry in rock engineering, geotechnical and mining disciplines; solving mine design and rock engineering problems using experience, numerical models and mathematical equations.

Colin Little

Colin Little

Head- Mining Services | NHD Mine Eng | BTech Mine Eng | Prince2 Foundation | MMC

Mr. Little has over 17 years Mine Engineering experience from Mine Planning, Mine Production, Supervision, Project Management both Open Pit and Underground and has served in various roles at major consultancy and mining houses worldwide.

Core Skills include - local and international operational and consulting experience in open pit and underground (both mechanised and conventional), doing Project management, mineral resource management, production planning, mine designing, operational and capital cost estimates, cost modelling, mine closure and consulting by use of an extensive OEM database and Cost Engineering models.

Phil Gilbert

Phil Gilbert

Senior Project Manager | NHD-Mine Surveying, MDP-Mine Management

Mr. Gilbert is qualified in business management and mine surveying with extensive experience in the mineral extraction industry particularly in contract management and mineral resource management.

A pragmatic, analytical and logical person with good interpersonal skills with a sound understanding of the financial and technical constraints involved in large mining operations.  His varied skillset and experience promotes and enables communication across disciplinary and departmental boundaries; and has proven project management skills in areas such as tender preparation, mining operations, systems testing, and system implementation.

More recently Philip has been consulting to various mining contractors in South Africa and Australia. Philip recently worked as Principal Mining Consultant for MineRP in Brisbane.

Richard Gawthorpe

Richard Gawthorpe

Principal Mining Engineer | B.Sc. Mining Engineering, SAIMM

Mr. Gawthorpe has over 30 years of experience including open pit optimisation, design, and long/medium-term scheduling, resource to reserve conversion, due diligence, and technical reviews. He has been the key role player in mine planning, mine engineering, and as a consultant on many multi-disciplinary teams.

He has served as principal planning and mining engineer for Anglo-American, mine planner and mining investment analyst for Goldfields.

As a consultant, Mr. Gawthorpe has not only consulted on international projects for a diverse range of clients and mining projects but has also served as General Manager of a consulting practice.

Jevan Jooste

Jevan Jooste

Senior Mine Planner | 2nd Year B.Tech Mining Engineering

Mr. Jooste has over 10 years of mine planning experience including open pit and underground mine design, block cutting, sequencing, and production scheduling. He has delivered several feasibility projects on time such as Gamsberg open-pit zinc, Prieska copper-zinc, Thaba open-pit chrome.

Ondrej Zeeman

Ondrej Zeeman

Senior Mine Planner | 2nd Year B.tech Mining Engineering

Mr. Zeeman has over 10 years of mine planning experience including open pit and underground mine design, block cutting, sequencing, and production scheduling.

He is the key role player for the tactical mine planning at Harmony Gold’s Kalgold open-pit mining operation.

Pieter Potgieter

Pieter Potgieter

Mine Planner | NDMIN

Mr. Potgieter is a Mining Engineer specialising in Mine Planning, Block Model manipulation and Data Modelling.

He proficient in Excel, Hazard Trackers used in compliance with the DMR and Datamine solutions. Previous experience includes Mine Planning at Ukwazi, Junior Design Engineer at Sound Mining and assisted Mine Planning at Pilanesberg Platinum Mines (PPM).

Tendai Mapeta

Tendai Mapeta

Geologist and Mine Planner | B.Sc. Geology Engineering

Ms. Mapeta is a geologist with over 5 years of experience. Her expertise includes open pit mine design, block cutting, and draughting. She has also been instrumental in various geological modelling and technical reporting projects.

Candice Willemse

Candice Willemse

HR Manager and Project Secretary

Ms. Willemse is the office manager and is responsible for assisting the directors of the company with the smooth functioning of the company. She is also responsible for human resource management and project administration