Gijima Executive and Leadership Team

August, 2026

Leadership Overview

Gijima has 8 executives leading key functions including strategy, operations, technology, human resources, finance, and legal affairs.

Focused on delivering robust IT solutions across the African continent, Gijima empowers financial services, retail, manufacturing, and mining sectors through digital transformation and specialized technical consulting.

Leadership Roles at Gijima

  • Chief Executive Officer - John Miller
  • Founder & Chief Executive Officer - Lunga Thusi
  • Group Chief Financial Officer - Ronnie Mundalamo
  • Group Chief Financial Officer - Ronnie Wa-Mandalamo
  • Chief Operating Officer - Carel Potgieter
  • Chief Technology Officer - Christo Abrahams
  • Chief Human Resources Officer - Barbara Hlongwane
  • Chief Legal Officer - Moroke Phajane
  • John Miller - Chief Executive Officer

    John Miller, the Chief Executive Officer at Gijima, directs the overarching corporate strategy and long-term vision for the organization. Miller oversees the alignment of IT service delivery with the complex requirements of the financial services and mining sectors. By fostering partnerships with key stakeholders, the Chief Executive Officer ensures that Gijima maintains a competitive edge in the South African technology landscape. This leadership role involves constant evaluation of market trends to pivot service offerings toward high-growth areas. John Miller drives operational excellence by streamlining internal processes and promoting a culture of innovation. Through rigorous oversight of business performance, the Chief Executive Officer secures sustainable growth and market stability. Miller maintains a focus on expanding the footprint of the company across diverse industrial verticals, ensuring that every client receives tailored, high-impact technical solutions that address specific operational challenges within the regional market.

    Lunga Thusi - Founder & Chief Executive Officer

    Lunga Thusi, the Founder & Chief Executive Officer at Gijima, architects the foundational mission and strategic direction of the enterprise. Thusi manages the core values that define the service delivery model for retail and manufacturing clients. As the Founder & Chief Executive Officer, Thusi monitors the evolution of the company from a local provider to a major player in the IT consulting space. This role involves deep engagement with the board to ensure that the long-term vision remains consistent with the changing demands of the digital economy. Lunga Thusi drives the expansion of service capabilities, ensuring that the organization remains at the forefront of technological advancement. By prioritizing client-centric solutions, the Founder & Chief Executive Officer fosters enduring relationships across the industry. Thusi secures the future of the firm by championing initiatives that enhance service quality and operational efficiency throughout the entire regional market.

    Ronnie Mundalamo - Group Chief Financial Officer

    Ronnie Mundalamo, the Group Chief Financial Officer at Gijima, manages the financial health and fiscal planning of the organization. Mundalamo oversees the budgeting, reporting, and capital allocation processes that support the IT service delivery model. As the Group Chief Financial Officer, Mundalamo ensures that the company maintains a strong balance sheet while investing in growth opportunities. This role involves providing financial insights to the board to guide strategic decision-making. Ronnie Mundalamo drives cost-optimization efforts that improve the overall profitability of the firm. By monitoring financial risks, the Group Chief Financial Officer secures the economic stability of the business. Mundalamo maintains a focus on transparency and compliance, ensuring that all financial operations meet the rigorous standards required by the industries served. Through careful fiscal management, the Group Chief Financial Officer supports the long-term expansion and operational success of the company across the region.

    Ronnie Wa-Mandalamo - Group Chief Financial Officer

    Ronnie Wa-Mandalamo, the Group Chief Financial Officer at Gijima, directs the treasury functions and investment strategies for the enterprise. Wa-Mandalamo oversees the financial modeling required to support large-scale IT projects in the mining and manufacturing sectors. As the Group Chief Financial Officer, Wa-Mandalamo manages the relationships with financial institutions and stakeholders to ensure adequate funding for strategic initiatives. This leadership role involves analyzing market data to forecast revenue trends and mitigate financial exposure. Ronnie Wa-Mandalamo drives the implementation of advanced financial systems that enhance reporting accuracy and operational efficiency. By aligning financial resources with the technical goals of the firm, the Group Chief Financial Officer ensures that the company remains agile. Wa-Mandalamo maintains a focus on sustainable growth, ensuring that the financial foundation of the organization supports the delivery of high-value services throughout the regional market.

    Carel Potgieter - Chief Operating Officer

    Carel Potgieter, the Chief Operating Officer at Gijima, manages the daily execution of IT service delivery and internal business processes. Potgieter oversees the operational infrastructure required to support the financial services and retail sectors. As the Chief Operating Officer, Potgieter optimizes resource allocation to ensure that projects meet strict deadlines and quality standards. This leadership role involves coordinating between technical teams and client-facing departments to maintain seamless service continuity. Carel Potgieter drives efficiency by implementing scalable frameworks that support the growth of the company. By monitoring key performance indicators, the Chief Operating Officer identifies bottlenecks and executes corrective actions to improve productivity. Potgieter ensures that the operational backbone of the firm remains robust, allowing the organization to handle large-scale deployments across the region while maintaining high levels of client satisfaction and operational excellence in every engagement.

    Christo Abrahams - Chief Technology Officer

    Christo Abrahams, the Chief Technology Officer at Gijima, architects the technical roadmap and innovation strategy for the entire organization. Abrahams oversees the development of advanced IT solutions tailored for the mining and manufacturing industries. As the Chief Technology Officer, Abrahams evaluates emerging technologies to ensure that the service portfolio remains cutting-edge. This role involves leading the engineering teams in the design and deployment of complex cloud and infrastructure projects. Christo Abrahams drives the integration of new digital tools that enhance the operational capabilities of clients. By collaborating with other C-suite leaders, the Chief Technology Officer ensures that technical investments align with the broader business goals of the firm. Abrahams maintains a focus on security and scalability, ensuring that all technological implementations provide reliable, high-performance results for the diverse client base operating within the competitive regional market landscape.

    Barbara Hlongwane - Chief Human Resources Officer

    Barbara Hlongwane, the Chief Human Resources Officer at Gijima, directs the talent acquisition and organizational development strategies. Hlongwane oversees the recruitment of specialized IT professionals who support the financial services and retail sectors. As the Chief Human Resources Officer, Hlongwane fosters a workplace culture that prioritizes continuous learning and professional growth. This leadership role involves managing employee relations and ensuring that the workforce remains aligned with the strategic objectives of the company. Barbara Hlongwane drives initiatives that improve retention and employee engagement across the organization. By implementing robust training programs, the Chief Human Resources Officer ensures that the staff possesses the necessary skills to deliver high-quality technical consulting. Hlongwane maintains a focus on building a diverse and inclusive environment, which serves as a critical component of the long-term success and operational stability of the firm within the regional market.
    Barbara Hlongwane
    Moroke Phajane, the Chief Legal Officer at Gijima, directs the legal and compliance framework for the entire organization. Phajane oversees the management of contracts, intellectual property, and regulatory requirements for the financial services and retail industries. As the Chief Legal Officer, Phajane ensures that all business activities adhere to the complex legal standards of the region. This role involves providing counsel to the executive team on risk management and corporate governance. Moroke Phajane drives the development of policies that protect the interests of the firm while facilitating smooth client engagements. By mitigating legal risks, the Chief Legal Officer secures the reputation and operational integrity of the company. Phajane maintains a focus on proactive legal strategy, ensuring that the organization remains compliant with evolving regulations while pursuing growth opportunities across the diverse industrial sectors served by the firm.

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    Frequently Asked Questions Regarding Gijima Top Executives and Leadership Team

    Who leads Gijima?
    Gijima is led by John Miller (Chief Executive Officer), along with executives such as Lunga Thusi (Founder & Chief Executive Officer) and Ronnie Mundalamo (Group Chief Financial Officer).
    Who is part of Gijima’s executive team?
    The executive team of Gijima includes leaders such as John Miller (Chief Executive Officer), Lunga Thusi (Founder & Chief Executive Officer), Ronnie Mundalamo (Group Chief Financial Officer) and other senior executives.
    How many executives does Gijima have?
    Gijima has 8 executives leading key business areas.
    What roles are included in Gijima’s leadership team?
    The leadership team of Gijima includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Group Chief Financial Officer, Group Chief Financial Officer, Chief Operating Officer.