Company Profile

Professional Staff Complement

GCS values the professional skills of its employees and as such, continuously strives to provide a stimulating and challenging work environment by actively encouraging their professional growth and development. Our scientists have extensive experience in a variety of fields including Hydrogeology, Hydrology, Pedology, Engineering and Environmental Science.

Professional Affiliations

GCS (Pty) Ltd is a member to the following associations:

  • Association of Groundwater Scientists and Engineers
  • Institute of Waste Management
  • Borehole Water Association of South Africa
  • International Mine Water Association
  • International Association of Impact Assessors

GCS staff are members of the following associations:

  • International Association of Hydrogeologists – Hydrogeological Association of Africa
  • Groundwater Division of the Geological Society of South Africa
  • Registered Natural Scientists – South Africa
  • South African Institute of Engineering Geologists
  • Engineering Council of South Africa
  • Registered Professional Geo-Informatics Practitioner with the South African Council for Professional and Technical Surveyors (Plato)
  • Member of the GIS Society of South Africa (GISSA)
  • Member of the Groundwater Association of KwaZulu-Natal

Long-lasting client relationships

GCS is committed to providing clients with quality service and products. As such, we strive for excellence in everything we do with the result that the majority of clients have a long-standing relationship with the company. Regular client satisfaction surveys further confirm this.

Niche Market – the mining industry

Services to mining operations accounts for 70% of the company’s revenue with the balance emanating from non-governmental organisations (NGOs), industrial and private clients.

Directors

Andrew is the founder and Managing Director of GCS (Pty) Ltd. He has over 30 years’ experience in both water and environmental consulting, for mining, industry and agriculture in Africa. Andrew has undertaken and managed water and environmental investigations in 15 countries in Africa. He has a Master of Science Degree in Hydrogeology from Rhodes University and is registered as a Professional Natural Scientist with SACNASP. He is also a member of the Groundwater Division of South Africa, The International Mine Water Association (IMWA), Water Institute of Southern Africa, the International Association of Hydrogeologists and a member of the Geological Society of South Africa (GSSA).

Alkie is the Director of the Water Group for GCS. He has 23 years’ experience and specialises in mining related hydrogeological investigations, groundwater contaminant studies, mine dewatering studies and design, flow and contaminant transport modelling, hydro-geochemical waste studies, environmental management studies, groundwater monitoring programmes and hydrochemical analyses, groundwater resource and aquifer assessments and water-balance studies. He has a Master of Science Degree in Geohydrology from the University of the Free State and is registered as a Professional Natural Scientist with SACNASP. He is also a member of the Groundwater Division of South Africa, The International Mine Water Association (IMWA), Water Institute of Southern Africa and the International Association of Hydrogeologists.

Pieter is Director and manages the Durban office of GCS. He has 20 years’ experience in both groundwater and environmental consulting, for mining, industry and municipal water supply in South Africa, 8 other African countries and Chile in South America. He has two Master of Science Degrees, one in Hydrogeology and one in Environmental Management, both from the University of the Free State and is registered as a Professional Natural Scientist with SACNASP in the Earth Science Category. He is also a member of the Groundwater Division of South Africa, The International Mine Water Association (IMWA), Water Institute of Southern Africa and the International Association of Hydrogeologists.

Sofi Napier is Director of Geology and Exploration and has 25 years practical and business experience in the mineral exploration and mining sector of Africa, specialising in diamonds. She has strong leadership skills and has experience providing technical geological expertise for junior and mid-tier mining & exploration companies. She has travelled widely in Africa and is a Professional Natural Scientist, skilled in mineral exploration and evaluation; project generation and exploration management systems; Database management and design; targeting studies, as well as expert reporting. She has a BSc (Honours) Degree in Geology and Chemistry from Rhodes University and is a registered as a Professional Natural Scientist with SACNASP and a member of the Geological Society of South Africa (GSSA).

Brett Wilson-Jones has over 40 years of experience in geotechnical and environmental engineering. He was the founding member and managing director of Moore Spence Jones (MSJ), prior to MSJ’s acquisition and incorporation into WorleyParsons in 2010.
Since 2014, Brett has worked as an independent consultant. He was appointed to the board of GCS Water and Environment in June 2014.