Executives


  • Drissa Arama

    MORILA MINE MANAGER

    Drissa holds a Master of Science Degree in Metallurgy and an MBA in Executive Management. He joined Randgold in 2000 as a metallurgist and from 2007 was plant manager at both the Morila and Loulo mines, until his appointment as the Morila mine manager in March 2017.
  • Tahirou Ballo

    GM LOULO-GOUNKOTO MINE COMPLEX

    A mining economist engineer with 22 years’ experience, mainly in Mali. Tahirou started his career as a short planner with BHP Billiton at the Syama gold mine and served as mining superintendent from 1999 for Randgold, at Syama. He was appointed to his current position in 2015.
  • Chiaka Berthe

    GM OPERATIONS WEST AFRICA

    With a Master’s degree in geological engineering from the Malian National School of Engineering, Chiaka has more than 20 years’ experience in the industry. He is a member of the Australian Institute of Mine and Metallurgy and the Geostatistical Association, and was appointed to his current position in 2015.
  • Sebastiaan Bock

    GROUP GM FINANCE

    Sebastiaan is responsible for the management of the group’s operations, financial functions and the group’s corporate finance management. He’s a chartered accountant with 16 years’ experience and has been with the group for eight years.
  • Luiz Correia

    GM TONGON MINE

    Luiz is a metallurgist with 31 years’ experience in the gold mining industry, and has a BSc Eng as well as a BCom degree. He joined Randgold in 2005 and in 2006 was appointed operations manager at the Loulo mine. He was appointed general manager at the Tongon mine during its construction phase in 2010.
  • Paul Gillot

    GROUP METALLURGIST, DEPUTY GM CAPITAL PROJECTS

    Paul has 27 years’ operational and management experience in the mining industry and moved into the projects arena for the group with the commissioning of the Tongon mine. He obtained his NHD in Extractive Metallurgy from the University of Johannesburg. He is responsible for the group’s metallurgical activities.
  • Hilaire Diarra

    GROUP COMMUNITY AND ENVIRONMENTAL OFFICER

    Hilaire holds a Bsc (Hons) in Environmental and Engineering Geology and an MSc in Resources Engineering. He worked previously as an environmental officer and then the head of department for environment and social at the Loulo mine. Hilaire was appointed as the group community and environmental officer in 2014 with the responsibility of developing and maintaining the group social license, developing and directing the group environmental and social policies and programmes including mine closure.
  • Riaan Grobler

    GROUP GM COMMERCIAL AND SUPPLY CHAIN

    Riaan holds an Honour’s degree in finance and has 18 years’ experience in the gold mining industry. He was initially appointed financial projects manager East Africa in early 2012 and was involved in the financial management side of the construction of the Kibali mine before his promotion in January 2014 to group general manager commercial and supply chain.
  • Glenn Heard

    GROUP GM MINING

    A mining engineer, who holds BE (Mining) with honours from the University of Wollongong, Australia, Glenn has 21 years’ experience in mining operations, mining contracting and consulting. He worked with Randgold as a consultant in 2015 to assist with the transition to owner mining at Loulo, has increased his involvement with the group through 2016, and was appointed to his new position with effect from January 2017. Glenn also holds a Western Australian First Class mine managers certificate of competency.
  • Joel Holliday

    GROUP EXPLORATION MANAGER

    Joel is a geologist with 20 years’ experience on exploration projects in Europe, South America and across Africa. He joined Randgold in 2004 and until recently worked as exploration manager for West Africa, before being appointed group exploration manager in 2015. This followed several years as exploration manager for the Loulo district in Mali, when the Gounkoto and Loulo 3 deposits were discovered. Joel has a BSc (Hons) in Geology.
  • Willem Jacobs

    GM OPERATIONS CENTRAL AND EAST AFRICA

    With a BPL (Hons) and DCom, Willem has served as a director of listed and private companies in the areas of mining, engineering and manufacturing in Southern, Central and Eastern Africa for the past 21 years. He joined Randgold in 2010.
  • Cheikh Maiga

    GROUP HUMAN RESOURCES EXECUTIVE

    Cheikh joined Randgold in 2016. He was educated at the École Normale Supérieure in Mali and at the University of Cape Town’s Graduate School of Business. Cheikh has 20 years’ experience in human resources and was formally a director of human resources and administration at Nordgold in Burkina Faso.
  • Haladou Manirou

    GROUP HEALTH AND SAFETY OFFICER

    Dr Manirou joined Randgold in 2004 as medical officer, becoming HSE and community development manager for the Loulo–Gounkoto complex in 2009 and appointed to his current position in 2012. He holds an MD from the Malian National School of Medicine and Pharmacy, a Diploma in Epidemiology from the University of Lyons and an MSc in Public Health from the London School of Hygiene and Tropical Medicine. Dr Manirou is an alumnus of the London Business School and an affiliate member of IOSH, IEMA and GACSO.
  • Victor Matfield

    GROUP GM CORPORATE FINANCE

    A chartered accountant, Victor was appointed corporate finance manager in 2001. Prior to this he served as financial manager of both the Syama and Morila mines.
  • Rod Quick

    GROUP GM EVALUATION

    A geologist with an MSc Geology and 23 years’ experience in the gold mining industry, Rod joined Randgold in 1996, and has been involved in the exploration, evaluation and production phases of all Randgold’s projects since Morila. In 2009 he became responsible for all project development and evaluation for the group.
  • Mahamadou (Sam) Samaké

    GROUP REGIONAL MANAGER WEST AFRICA

    Sam was a professor of company law at the University of Mali, and was instrumental in writing the Malian mining legislation. He is the resident executive manager in Mali and is responsible for government liaison in West Africa. He is also the group’s West African legal counsel.
  • N’golo Sanogo

    GM MALI

    N’golo has a Master’s degree in economics from the National School of Administration of Bamako, Mali, as well as several business qualifications. He joined BHP Billiton Mali in 1995 and was appointed the management accountant at the Syama mine in 2001. In 2004 he joined Randgold as Mali financial controller and was appointed to his current position in 2009.
  • John Steele

    TECHNICAL AND CAPITAL PROJECTS EXECUTIVE

    John was responsible for the successful construction and commissioning of Randgold’s Morila, Loulo, Tongon and Gounkoto mines and led the development and commissioning of the Kibali mine in the DRC. He also continues to provide operational and engineering oversight to the group. John has a BSc (Hons) in Chemical Engineering and an MBL (UNISA).
  • Tania de Welzim

    GROUP FINANCIAL MANAGER

    Having served as group financial controller, Tania was appointed to her current position in 2009. A chartered accountant with 18 years’ financial experience, 16 of these in the mining industry, she is responsible for technical financial reporting and procedures for the group.
  • Lois Wark

    GROUP GM CORPORATE COMMUNICATIONS

    Lois has been with Randgold since its inception and assumed management of the cartography department in 1995. She is responsible for the coordination of the group’s communications and investor relations programmes and holds a diploma in land surveying: cadastral and topographical.
  • Charles Wells

    GM KIBALI MINE

    Charles has an MSc in environmental biotechnology and 19 years’ experience in environmental management. He joined Randgold in 2012 with responsibility for the group’s sustainability programme before being appointed to his current position in 2014.
  • Martin Welsh

    GENERAL COUNSEL AND SECRETARY

    Martin joined Randgold in 2011 and in 2012 was appointed the group’s company secretary and general counsel. He qualified as a solicitor in 1998 and previously worked in London with Dickson Minto WS and Linklaters, where he represented numerous international corporate and financial institutions, and in Jersey where he acted for Randgold while in private practice.

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