Necsa Executive and Leadership Team

October, 2026

Leadership Overview

Necsa has 8 executives leading key functions including strategy, operational management, technology development, information systems, administrative oversight, and executive support.

Committed to advancing nuclear energy solutions, Necsa drives socio-economic progress through sustainable technology, research, and innovation across the South African industrial and medical sectors.

Leadership Roles at Necsa

  • Group Chief Executive Officer - Loyiso Tyabashe
  • Executive PA To Chief Executive Officer - Modisane Moeletsi
  • Chief Operating Officer - Alan Carolissen
  • Chief Technology Officer - Frans Windell
  • Chief Information Officer - Ayanda Myoli
  • Chief Administrative Officer - Petra Grundling
  • Typist Chief Administrative Officer - Hantie Labuschagne
  • Senior Executive Manager - Daniel Michael Moagi
  • Loyiso Tyabashe - Group Chief Executive Officer

    Loyiso Tyabashe, the Group Chief Executive Officer at Necsa, directs the overarching strategic vision for nuclear energy and technology development. Overseeing the entire organizational framework, the Group Chief Executive Officer ensures alignment with national mandates while fostering growth in industrial and medical applications. This leadership role involves managing complex stakeholder relationships and driving long-term sustainability initiatives across the South African landscape. By prioritizing innovation and operational excellence, Loyiso Tyabashe directly impacts the company's ability to deliver critical nuclear services. The Group Chief Executive Officer maintains rigorous standards for safety and compliance, ensuring that all research and manufacturing activities meet international benchmarks. Through consistent engagement with the Board and government entities, Tyabashe secures the necessary resources to expand the company's market reach and technological capabilities, ultimately positioning the organization as a leader in the clean energy sector.

    Modisane Moeletsi - Executive PA To Chief Executive Officer

    Modisane Moeletsi, the Executive PA To Chief Executive Officer at Necsa, manages the high-level administrative flow and strategic scheduling for the executive office. Coordinating critical communications between the leadership team and external partners, the Executive PA To Chief Executive Officer ensures that all operational priorities receive immediate attention. This role involves filtering complex information streams to facilitate efficient decision-making processes for the executive leadership. By optimizing the daily workflow of the office, Modisane Moeletsi directly supports the execution of corporate strategy and organizational goals. The Executive PA To Chief Executive Officer maintains confidentiality and precision in all documentation, providing a stable foundation for the company's administrative functions. Through proactive management of executive engagements, Moeletsi enables the leadership team to focus on core business objectives, thereby enhancing the overall productivity and responsiveness of the organization within the competitive nuclear energy market.

    Alan Carolissen - Chief Operating Officer

    Alan Carolissen, the Chief Operating Officer at Necsa, directs the daily execution of nuclear operations and advanced manufacturing processes. Overseeing the technical production facilities, the Chief Operating Officer ensures that all service delivery meets stringent quality and safety standards. This leadership role involves optimizing supply chain logistics and resource allocation to support the company's diverse industrial and medical client base. By streamlining internal workflows, Alan Carolissen directly impacts the efficiency and output of the organization's core business units. The Chief Operating Officer collaborates with other C-suite leaders to integrate operational goals with broader corporate strategy, ensuring that production capacity aligns with market demand. Through the implementation of robust operational frameworks, Carolissen drives continuous improvement across all manufacturing sites, ultimately securing the company's reputation for reliability and technical excellence in the complex field of nuclear technology and energy production.
    Alan Carolissen

    Frans Windell - Chief Technology Officer

    Frans Windell, the Chief Technology Officer at Necsa, architects the research and innovation roadmap for nuclear technology development. Overseeing the scientific departments, the Chief Technology Officer drives the creation of new solutions for medical diagnostics and clean energy applications. This leadership role involves managing the transition from laboratory research to industrial-scale implementation, ensuring that all technological advancements remain at the forefront of the industry. By fostering a culture of innovation, Frans Windell directly impacts the company's competitive advantage and long-term growth potential. The Chief Technology Officer collaborates with external research partners and internal engineering teams to solve complex technical challenges, thereby enhancing the organization's service portfolio. Through the strategic application of advanced scientific methodologies, Windell ensures that all technological outputs align with the company's mission to provide sustainable and impactful energy solutions for the South African market and beyond.

    Ayanda Myoli - Chief Information Officer

    Ayanda Myoli, the Chief Information Officer at Necsa, directs the digital transformation and information security strategies for the entire organization. Overseeing the IT infrastructure and data management systems, the Chief Information Officer ensures that all operational data remains secure and accessible for critical decision-making. This leadership role involves implementing scalable technology solutions that support the company's research, manufacturing, and administrative functions. By modernizing the digital landscape, Ayanda Myoli directly impacts the efficiency and connectivity of the company's diverse business units. The Chief Information Officer collaborates with other executives to align technology investments with corporate objectives, ensuring that digital tools facilitate growth and innovation. Through the deployment of robust cybersecurity protocols, Myoli protects the organization's intellectual property and operational integrity, ultimately enabling the company to maintain a secure and high-performing digital environment that supports its mission in the nuclear energy sector.
    Ayanda Myoli

    Petra Grundling - Chief Administrative Officer

    Petra Grundling, the Chief Administrative Officer at Necsa, directs the internal corporate services and organizational governance frameworks. Overseeing human resources, facilities management, and regulatory compliance, the Chief Administrative Officer ensures that the company operates within a stable and efficient administrative environment. This leadership role involves developing policies that support employee productivity and organizational health, which are essential for achieving the company's long-term strategic goals. By streamlining administrative processes, Petra Grundling directly impacts the operational readiness of the entire workforce. The Chief Administrative Officer collaborates with the executive team to ensure that all internal functions support the company's mission of providing nuclear energy and technology services. Through the implementation of effective governance structures, Grundling maintains high standards of corporate accountability, ultimately fostering a professional culture that enables the organization to meet its socio-economic objectives and sustain its growth in the energy industry.

    Hantie Labuschagne - Typist Chief Administrative Officer

    Hantie Labuschagne, the Typist Chief Administrative Officer at Necsa, directs the precise documentation and record-keeping systems that support the executive administrative office. Overseeing the accuracy of corporate communications and official filings, the Typist Chief Administrative Officer ensures that all administrative outputs meet the highest standards of professional quality. This leadership role involves managing the flow of critical information and maintaining the integrity of the company's internal records, which are vital for regulatory compliance and operational transparency. By ensuring the clarity and precision of all documentation, Hantie Labuschagne directly impacts the efficiency of the executive team's decision-making processes. The Typist Chief Administrative Officer collaborates with administrative staff to standardize reporting procedures, thereby enhancing the overall professionalism of the organization. Through the meticulous management of corporate records, Labuschagne supports the company's mission by providing a reliable and organized administrative foundation for all nuclear energy and technology activities.

    Daniel Michael Moagi - Senior Executive Manager

    Daniel Michael Moagi, the Senior Executive Manager at Necsa, directs high-level project initiatives and cross-functional coordination across the organization. Overseeing the integration of complex business programs, the Senior Executive Manager ensures that all departmental efforts align with the company's overarching strategic vision. This leadership role involves managing stakeholder expectations and facilitating communication between various operational units to drive project success. By providing expert guidance on resource management and process optimization, Daniel Michael Moagi directly impacts the company's ability to deliver on its commitments to industrial and medical clients. The Senior Executive Manager collaborates with the C-suite to identify growth opportunities and mitigate operational risks, ensuring that the organization remains agile in a changing market. Through the effective management of key business programs, Moagi supports the company's mission to provide sustainable nuclear solutions, ultimately contributing to the overall efficiency and success of the organization's diverse operations.

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    Frequently Asked Questions Regarding Necsa Top Executives and Leadership Team

    Who leads Necsa?
    Necsa is led by Loyiso Tyabashe (Group Chief Executive Officer), along with executives such as Modisane Moeletsi (Executive PA To Chief Executive Officer) and Alan Carolissen (Chief Operating Officer).
    Who is part of Necsa’s executive team?
    The executive team of Necsa includes leaders such as Loyiso Tyabashe (Group Chief Executive Officer), Modisane Moeletsi (Executive PA To Chief Executive Officer), Alan Carolissen (Chief Operating Officer) and other senior executives.
    How many executives does Necsa have?
    Necsa has 8 executives leading key business areas.
    What roles are included in Necsa’s leadership team?
    The leadership team of Necsa includes roles such as Group Chief Executive Officer, Executive PA To Chief Executive Officer, Chief Operating Officer, Chief Technology Officer, Chief Information Officer.