RioZim Executive and Leadership Team

May, 2026

Leadership Overview

RioZim has 4 executives leading key functions including strategy, operations, finance, and mining.

Driven by a legacy of resilience, RioZim is dedicated to maximizing Zimbabwe's mineral wealth across gold, base metals, chrome, diamonds, and energy, solidifying its position as the nation's largest producer of finished mineral products.

Leadership Roles at RioZim

  • Chief Executive Officer - George Sibanda
  • Group Chief Financial Officer - Atish Mangal
  • Chief Operating Officer - Charl Barnard
  • Chief Operations Officer - Masimba Nyamhunga
  • George Sibanda - Chief Executive Officer

    George Sibanda, the Chief Executive Officer at RioZim, directs the overarching corporate strategy and operational execution across the group's diverse business units: RioGold, RioBase Metals, RioChrome, RioDiamonds, and RioEnergy. Sibanda guides the strategic integration of mining, refining, and energy ventures, ensuring alignment with Zimbabwe's mineral resource development objectives. This leadership role involves fostering innovation within the Marnatha ferrochrome refinery and the Empress Nickel Refinery, while also overseeing expansion into chrome mining and smelting. George Sibanda drives the company's engagement with key stakeholders, including the Zimbabwe Stock Exchange, and champions the group's commitment to maximizing value from Zimbabwes minerals, including gold, nickel, copper, cobalt, PGMs, chrome, diamonds, and coal. The Chief Executive Officer's mandate encompasses driving sustainable growth and operational excellence throughout all RioZim's operations, from the Renco Gold mine to its interests in Murowa Diamonds and the Sengwa Colliery.

    Atish Mangal - Group Chief Financial Officer

    Atish Mangal, the Group Chief Financial Officer at RioZim, directs all financial planning, reporting, and capital allocation strategies for the group's extensive operations. Mangal oversees the financial health of business units including RioGold, RioBase Metals, RioChrome, RioDiamonds, and RioEnergy, ensuring fiscal discipline and profitability. This leadership position involves managing investment portfolios, including stakes in Murowa Diamonds and Sengwa Colliery, and securing funding for expansion projects, such as the chrome mining and smelting industry ventures. Atish Mangal guides the financial integration of acquisitions and new developments, supporting RioZim's growth trajectory and its role as a major contributor to Zimbabwe's economy. The Group Chief Financial Officer's purview includes risk management, treasury operations, and ensuring compliance with Zimbabwe Stock Exchange listing requirements, thereby safeguarding the company's financial stability and shareholder value.

    Charl Barnard - Chief Operating Officer

    Charl Barnard, the Chief Operating Officer at RioZim, executes operational strategies across the group's mining and refining facilities, focusing on optimizing production and efficiency. Barnard oversees the day-to-day management of key assets, including the Renco Gold mine and the Cam & Motor gold mine, ensuring robust output and adherence to safety standards. This role involves driving operational improvements within the Marnatha ferrochrome refinery and the Empress Nickel Refinery, enhancing their smelting and refining capabilities. Charl Barnard directs the implementation of best practices in mineral extraction and processing, contributing directly to RioZim's status as a leading producer of finished mineral products in Zimbabwe. The Chief Operating Officer's responsibilities extend to managing logistical operations and supply chains, ensuring seamless integration between mining sites and processing plants, thereby supporting the company's broad involvement in gold, base metals, and chrome sectors.

    Masimba Nyamhunga - Chief Operations Officer

    Masimba Nyamhunga, the Chief Operations Officer at RioZim, spearheads the operational execution and efficiency improvements across the group's mining and processing facilities, with a particular emphasis on resource optimization. Nyamhunga directs the strategic deployment of resources at sites like the Cam & Motor gold mine and the Renco Gold mine, ensuring maximum yield and operational continuity. This role involves enhancing the throughput and efficiency of the Marnatha ferrochrome refinery and the Empress Nickel Refinery, driving advancements in smelting and refining technologies. Masimba Nyamhunga oversees the integration of new mining technologies and operational methodologies, reinforcing RioZim's position as a diversified mineral producer. The Chief Operations Officer's mandate includes managing operational risks, ensuring adherence to environmental standards, and fostering a culture of continuous improvement throughout the company's diverse mineral interests, from coal to diamonds.

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    Frequently Asked Questions Regarding RioZim Top Executives and Leadership Team

    Who leads RioZim?
    RioZim is led by George Sibanda (Chief Executive Officer), along with executives such as Atish Mangal (Group Chief Financial Officer) and Charl Barnard (Chief Operating Officer).
    Who is part of RioZim’s executive team?
    The executive team of RioZim includes leaders such as George Sibanda (Chief Executive Officer), Atish Mangal (Group Chief Financial Officer), Charl Barnard (Chief Operating Officer) and other senior executives.
    How many executives does RioZim have?
    RioZim has 4 executives leading key business areas.
    What roles are included in RioZim’s leadership team?
    The leadership team of RioZim includes roles such as Chief Executive Officer, Group Chief Financial Officer, Chief Operating Officer, Chief Operations Officer.