Necsa Executive and Leadership Team

May, 2026

Leadership Overview

Necsa has 7 executives leading key functions including strategy, technology, information systems, administration, and operations.

Driven by innovation, Necsa is dedicated to advancing nuclear energy and technology, aiming to deliver significant socio-economic impact through its services in nuclear operations, advanced manufacturing, research, and waste management, all while prioritizing sustainability and growth.

Leadership Roles at Necsa

  • Chief Executive Officer - Diana Leonardi
  • Group Chief Executive Officer - Loyiso Tyabashe
  • Chief Information Officer - Ayanda Myoli
  • Chief Technology Officer - Frans Windell
  • Chief Administrative Officer - Jeanette Pienaar
  • Typist Chief Administrative Officer - Hantie Labuschagne
  • Senior Executive Manager - Daniel Michael Moagi
  • Diana Leonardi - Chief Executive Officer

    Diana Leonardi, the Chief Executive Officer at Necsa, directs the company's overarching strategy and operational execution. Leonardi guides Necsa's mission to develop nuclear energy and technology, ensuring alignment with South Africa's needs and global advancements. This leadership role involves fostering innovation across nuclear operations, advanced manufacturing, research, and waste management services. By focusing on sustainability and growth, Diana Leonardi drives the company's commitment to making a positive socio-economic impact across industrial, medical, and clean energy sectors. The Chief Executive Officer ensures all divisions operate cohesively to achieve Necsa's long-term objectives and maintain its position as a key player in nuclear technology.

    Loyiso Tyabashe - Group Chief Executive Officer

    Loyiso Tyabashe, the Group Chief Executive Officer at Necsa, spearheads the strategic direction and comprehensive management of the organization. Tyabashe oversees Necsa's diverse portfolio, which includes nuclear operations, advanced manufacturing, research and innovation, and waste management. This executive guides the company's commitment to advancing nuclear technology for socio-economic benefit, serving sectors from industrial applications to medical diagnostics and clean energy. Loyiso Tyabashe ensures the company's long-term strategy emphasizes sustainability and growth, addressing South Africa's nuclear-related requirements. The Group Chief Executive Officer's leadership is pivotal in navigating the complexities of the nuclear industry and driving Necsa's mission forward.

    Ayanda Myoli - Chief Information Officer

    Ayanda Myoli, the Chief Information Officer at Necsa, architects the company's information technology strategy and infrastructure. Myoli oversees the digital transformation initiatives that support Necsa's core operations in nuclear energy and technology development. This involves managing all aspects of IT, from cybersecurity to data management, ensuring robust systems for research, manufacturing, and waste management services. Ayanda Myoli drives the integration of advanced technological solutions to enhance efficiency and innovation across the organization. The Chief Information Officer's role is critical in safeguarding sensitive data and enabling seamless communication and collaboration, directly supporting Necsa's mission to deliver socio-economic impact through reliable nuclear technology.
    Ayanda Myoli

    Frans Windell - Chief Technology Officer

    Frans Windell, the Chief Technology Officer at Necsa, leads the company's technological advancements and innovation pipeline. Windell is responsible for driving research and development in nuclear energy and related technologies, ensuring Necsa remains at the forefront of the industry. This involves overseeing the technical aspects of nuclear operations, advanced manufacturing processes, and the development of new applications for nuclear science. Frans Windell's expertise guides the strategic implementation of cutting-edge technologies to enhance service offerings in medical diagnostics and clean energy solutions. The Chief Technology Officer's focus on innovation directly supports Necsa's commitment to sustainability and growth, solidifying its role in addressing South Africa's nuclear needs.

    Jeanette Pienaar - Chief Administrative Officer

    Jeanette Pienaar, the Chief Administrative Officer at Necsa, manages the essential administrative functions that support the company's strategic objectives. Pienaar oversees human resources, legal affairs, and corporate governance, ensuring operational efficiency and compliance across all departments. This leadership role is vital for maintaining the smooth functioning of Necsa's nuclear operations, advanced manufacturing, and research initiatives. Jeanette Pienaar ensures that administrative policies and procedures align with the company's mission of socio-economic impact and sustainable growth. By optimizing internal processes, Pienaar contributes significantly to Necsa's ability to deliver specialized services in medical diagnostics and clean energy.
    Jeanette Pienaar

    Hantie Labuschagne - Typist Chief Administrative Officer

    Hantie Labuschagne, the Typist Chief Administrative Officer at Necsa, provides critical support for the company's administrative operations. Labuschagne focuses on ensuring the accuracy and efficiency of documentation and communication flows within the administrative departments. This role is integral to supporting the broader functions managed by the Chief Administrative Officer, contributing to the seamless execution of Necsa's nuclear energy and technology development initiatives. Hantie Labuschagne's diligence aids in maintaining organized records and facilitating effective internal processes, which are essential for the company's work in advanced manufacturing and research. The Typist Chief Administrative Officer's attention to detail underpins the reliability of administrative support for Necsa's mission.

    Daniel Michael Moagi - Senior Executive Manager

    Daniel Michael Moagi, the Senior Executive Manager at Necsa, plays a key role in overseeing specific operational segments and strategic projects. Moagi contributes to the execution of Necsa's mandate in nuclear energy and technology development, ensuring projects align with company goals. This involves managing teams and resources to support advancements in nuclear operations, research, and innovation. Daniel Michael Moagi's leadership helps drive Necsa's commitment to making a socio-economic impact by ensuring the effective delivery of services to sectors such as industrial applications and clean energy. The Senior Executive Manager's focus on operational excellence supports Necsa's long-term strategy for sustainability and growth.

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    Frequently Asked Questions Regarding Necsa Top Executives and Leadership Team

    Who leads Necsa?
    Necsa is led by Diana Leonardi (Chief Executive Officer), along with executives such as Loyiso Tyabashe (Group Chief Executive Officer) and Ayanda Myoli (Chief Information Officer).
    Who is part of Necsa’s executive team?
    The executive team of Necsa includes leaders such as Diana Leonardi (Chief Executive Officer), Loyiso Tyabashe (Group Chief Executive Officer), Ayanda Myoli (Chief Information Officer) and other senior executives.
    How many executives does Necsa have?
    Necsa has 7 executives leading key business areas.
    What roles are included in Necsa’s leadership team?
    The leadership team of Necsa includes roles such as Chief Executive Officer, Group Chief Executive Officer, Chief Information Officer, Chief Technology Officer, Chief Administrative Officer.