Engie Executive and Leadership Team

November, 2026

Leadership Overview

Engie has 4 executives leading key functions including operations, financial management, regional strategy, and international market development.

Committed to sustainable energy transitions, Engie delivers electricity, natural gas, and specialized energy services to global markets while maintaining a focus on long-term environmental impact and operational excellence.

Leadership Roles at Engie

  • Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu) - Marc Perraud
  • Manager, Business Entity and Chief Financial Officer - Tapiwanashe Siakanya
  • Chief Financial Officer, Ksa - Julien Diaz
  • Chief Operating Officer - Ronald Marron
  • Marc Perraud - Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu)

    Marc Perraud, the Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu) at Engie, directs all strategic initiatives and regional governance within the Pacific market. Overseeing the expansion of electricity and energy services, the Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu) ensures that local operations align with the broader corporate commitment to sustainable energy. This leadership role involves navigating complex regulatory environments to deliver reliable power solutions. By fostering partnerships with regional stakeholders, Marc Perraud directly impacts the growth and stability of energy infrastructure in the region. Perraud manages the board and executive team to execute long-term development plans. Through consistent focus on operational excellence, the Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu) drives innovation in energy delivery. Perraud maintains a clear vision for regional market penetration. Ultimately, Perraud secures the company's reputation as a trusted energy provider in the Pacific.

    Tapiwanashe Siakanya - Manager, Business Entity and Chief Financial Officer

    Tapiwanashe Siakanya, the Manager, Business Entity and Chief Financial Officer at Engie, governs all fiscal planning and capital allocation strategies. Overseeing the financial health of core business entities, the Chief Financial Officer ensures strict adherence to budgetary targets and investment mandates. This leadership role involves analyzing market trends to guide long-term revenue growth and cost management. By implementing robust financial reporting frameworks, Tapiwanashe Siakanya directly impacts the transparency and stability of the organization. Siakanya collaborates with executive leadership to evaluate potential energy projects and capital expenditures. Through precise fiscal oversight, the Chief Financial Officer mitigates financial risks while identifying opportunities for expansion. Siakanya maintains strong relationships with stakeholders to ensure alignment with corporate financial objectives. Ultimately, Siakanya provides the economic clarity required to sustain the company's position as a leader in the energy sector.

    Julien Diaz - Chief Financial Officer, Ksa

    Julien Diaz, the Chief Financial Officer, Ksa at Engie, directs all financial operations and investment strategies within the Middle Eastern market. Overseeing the fiscal management of energy service projects, the Chief Financial Officer, Ksa ensures that regional capital deployment supports the company's growth objectives. This leadership role involves managing complex financial portfolios and ensuring compliance with local regulatory standards. By optimizing revenue streams and controlling operational costs, Julien Diaz directly impacts the profitability of regional energy initiatives. Diaz collaborates with global leadership to integrate regional financial performance into the broader corporate strategy. Through meticulous oversight of project financing, the Chief Financial Officer, Ksa mitigates economic risks associated with large-scale energy infrastructure. Diaz drives financial efficiency to support the expansion of natural gas and electricity services. Ultimately, Diaz secures the financial viability of the company's operations in the region.

    Ronald Marron - Chief Operating Officer

    Ronald Marron, the Chief Operating Officer at Engie, directs all internal infrastructure and energy service delivery protocols. Overseeing the technical integration of natural gas and electricity distribution networks, the Chief Operating Officer ensures maximum efficiency across European operations. This leadership role involves optimizing supply chain logistics to support the broader corporate mission of sustainable energy provision. By streamlining operational workflows, Ronald Marron directly impacts the reliability of energy services provided to millions of customers. Marron manages cross-functional teams to align technical output with the overarching strategic goals of the organization. Through rigorous oversight of energy service assets, the Chief Operating Officer maintains high performance standards. Marron drives continuous improvement initiatives, ensuring that infrastructure remains resilient against market fluctuations. Ultimately, Marron secures the operational foundation necessary for the company to maintain a competitive edge in the evolving global energy landscape.
    Ronald Marron

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    Frequently Asked Questions Regarding Engie Top Executives and Leadership Team

    Who leads Engie?
    Engie is led by Marc Perraud (Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu)), along with executives such as Tapiwanashe Siakanya (Manager, Business Entity and Chief Financial Officer) and Julien Diaz (Chief Financial Officer, Ksa).
    Who is part of Engie’s executive team?
    The executive team of Engie includes leaders such as Marc Perraud (Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu)), Tapiwanashe Siakanya (Manager, Business Entity and Chief Financial Officer), Julien Diaz (Chief Financial Officer, Ksa) and other senior executives.
    How many executives does Engie have?
    Engie has 4 executives leading key business areas.
    What roles are included in Engie’s leadership team?
    The leadership team of Engie includes roles such as Chief Executive Officer & Chairman, UNELCO ENGIE (Vanuatu), Manager, Business Entity and Chief Financial Officer, Chief Financial Officer, Ksa, Chief Operating Officer.