RioZim Executive and Leadership Team

June, 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 through diversified operations and strategic innovation, 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 overall strategic vision and operational execution across the group's diverse business units: RioGold, RioBase Metals, RioChrome, RioDiamonds, and RioEnergy. Sibanda oversees the integration of mining, refining, and energy ventures, ensuring alignment with the company's mission to maximize Zimbabwe's mineral resources. This leadership role involves navigating complex market dynamics and fostering innovation within the ferrochrome, nickel, gold, diamond, and coal sectors. George Sibanda's strategic guidance ensures the company's continued growth and its status as Zimbabwe's largest producer of finished mineral products. The Chief Executive Officer's purview extends to managing key stakeholder relationships and driving sustainable development initiatives across all operational geographies, including Kadoma and Gokwe North.

    Atish Mangal - Group Chief Financial Officer

    Atish Mangal, the Group Chief Financial Officer at RioZim, manages the financial health and strategic fiscal planning for all group operations, including RioGold, RioBase Metals, RioChrome, RioDiamonds, and RioEnergy. Mangal oversees financial reporting, capital allocation, risk management, and investor relations, ensuring fiscal discipline across the company's diverse portfolio. This critical function supports the strategic objectives of mining and refining ventures such as the Renco Gold mine and the Marnatha ferrochrome refinery. Atish Mangal's financial acumen is vital for securing investment, managing costs, and driving profitability in the competitive mineral sector. The Group Chief Financial Officer's oversight extends to the financial implications of expansion into chrome mining and smelting, and managing the 22% interest in Murowa Diamonds Pvt Ltd.

    Charl Barnard - Chief Operating Officer

    Charl Barnard, the Chief Operating Officer at RioZim, executes operational strategies across the group's mining and refining facilities, including the Renco Gold mine, Cam & Motor gold mine, Marnatha ferrochrome refinery, and Empress Nickel Refinery. Barnard's responsibilities encompass optimizing production efficiency, ensuring stringent safety protocols, and managing the day-to-day activities of the RioGold, RioBase Metals, and RioChrome business units. This role demands a deep understanding of mineral extraction and processing technologies to drive output from operations located in Kadoma and Gokwe North. Charl Barnard's focus is on enhancing operational performance and resource utilization, directly contributing to RioZim's position as a leading mineral producer in Zimbabwe. The Chief Operating Officer ensures seamless integration of new technologies and best practices throughout the operational landscape.

    Masimba Nyamhunga - Chief Operations Officer

    Masimba Nyamhunga, the Chief Operations Officer at RioZim, directs the operational execution and efficiency improvements within the group's mining and energy sectors, specifically focusing on the RioDiamonds and RioEnergy business units. Nyamhunga's responsibilities include overseeing the strategic development and operational management of the Sengwa Colliery, contributing to RioZim's significant presence in the coal market. This role involves optimizing resource extraction and logistics for energy production, complementing the company's broader mineral portfolio. Masimba Nyamhunga's leadership ensures the effective management of these key operational areas, supporting RioZim's overall market leadership in Zimbabwe. The Chief Operations Officer drives operational excellence and sustainable practices across the energy and diamond interests.

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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.