Siemens Gamesa Renewable Energy Executive and Leadership Team

September, 2026

Leadership Overview

Siemens Gamesa Renewable Energy has 5 executives leading key functions including strategy, regional service operations, financial oversight, global sales, and organizational equity.

Focused on advancing sustainable power, Siemens Gamesa Renewable Energy delivers high-performance wind turbine solutions while maintaining a commitment to global energy transition and operational excellence across onshore and offshore markets.

Leadership Roles at Siemens Gamesa Renewable Energy

  • Chief Executive Officer - Steven Dayney
  • Regional Chief Executive Officer, Service (APAC) - Joris Mazille
  • Chief Financial Officer - Jerry Ku
  • Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council) - Leane Garcias
  • Chief Sales Officer - Anto Garcia
  • Steven Dayney - Chief Executive Officer

    Steven Dayney, the Chief Executive Officer at Siemens Gamesa Renewable Energy, directs the overarching strategic vision for wind turbine manufacturing and maintenance. Dayney architects long-term growth initiatives, ensuring the company maintains a competitive edge in both onshore and offshore energy sectors. By aligning corporate resources with global sustainability goals, the Chief Executive Officer drives innovation across the entire product lifecycle. This leadership role involves constant collaboration with the Board to optimize market positioning and operational efficiency. Steven Dayney monitors global market trends to adjust manufacturing output, ensuring the company meets the evolving demands of the renewable energy landscape. Through rigorous oversight of internal processes, the Chief Executive Officer secures the financial health and technical integrity of the organization. Dayney fosters a culture of engineering excellence, positioning the company as a leader in the transition toward clean, reliable power generation on a worldwide scale.
    Steven Dayney

    Joris Mazille - Regional Chief Executive Officer, Service (APAC)

    Joris Mazille, the Regional Chief Executive Officer, Service (APAC) at Siemens Gamesa Renewable Energy, manages all maintenance and service operations throughout the Asia-Pacific region. Mazille oversees the deployment of technical teams to ensure maximum turbine uptime for regional clients. By optimizing service delivery models, the Regional Chief Executive Officer, Service (APAC) enhances the reliability of wind assets across diverse geographic landscapes. This role requires close coordination with global supply chain leaders to guarantee the availability of critical components for maintenance projects. Joris Mazille drives regional growth by identifying new service opportunities and strengthening client relationships in emerging markets. Through the implementation of advanced diagnostic tools, the Regional Chief Executive Officer, Service (APAC) improves operational efficiency and reduces downtime for wind farm operators. Mazille ensures that regional service standards align with the company's global commitment to quality, safety, and sustainable energy production.

    Jerry Ku - Chief Financial Officer

    Jerry Ku, the Chief Financial Officer at Siemens Gamesa Renewable Energy, manages the fiscal health and capital allocation strategies for the organization. Ku directs financial planning, reporting, and risk management to support the manufacturing and installation of wind turbines. By analyzing market volatility and project costs, the Chief Financial Officer ensures the company maintains a robust balance sheet while funding large-scale infrastructure projects. This leadership role involves providing critical data to the executive team to inform investment decisions in offshore and onshore technologies. Jerry Ku oversees the integration of financial systems to improve transparency and operational efficiency across international business units. Through disciplined cost control and strategic resource management, the Chief Financial Officer supports the company's long-term growth objectives. Ku maintains strong relationships with investors and financial institutions, ensuring the organization possesses the necessary capital to advance the global transition toward renewable energy sources.
    Jerry Ku

    Leane Garcias - Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council)

    Leane Garcias, the Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council) at Siemens Gamesa Renewable Energy, directs initiatives to foster an inclusive and equitable workplace culture. Garcias architects policies that promote diversity across all levels of the organization, ensuring the company attracts and retains top talent from diverse backgrounds. By integrating DE&I principles into corporate governance, the Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council) strengthens the company's ability to innovate and solve complex challenges in the renewable energy industry. This role involves collaborating with human resources and executive leadership to measure progress on equity goals. Leane Garcias drives awareness programs that align internal culture with the company's global mission of sustainability and social responsibility. Through the implementation of inclusive hiring and development practices, the Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council) ensures the organization reflects the diverse communities served by its wind energy projects.
    Leane Garcias

    Anto Garcia - Chief Sales Officer

    Anto Garcia, the Chief Sales Officer at Siemens Gamesa Renewable Energy, leads the global commercial strategy for wind turbine sales and project development. Garcia architects complex sales agreements, ensuring the company secures major contracts in both the onshore and offshore segments. By identifying high-growth markets, the Chief Sales Officer drives revenue expansion and strengthens the company's presence in the global energy sector. This role involves close collaboration with engineering and project management teams to tailor solutions to specific client requirements. Anto Garcia monitors competitive dynamics to refine pricing strategies and value propositions. Through the development of long-term partnerships with utility providers and energy developers, the Chief Sales Officer ensures a consistent pipeline of projects. Garcia manages the global sales force, providing the guidance necessary to navigate regulatory environments and technical specifications. By focusing on customer-centric solutions, the Chief Sales Officer directly contributes to the company's market leadership and financial performance.

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    Frequently Asked Questions Regarding Siemens Gamesa Renewable Energy Top Executives and Leadership Team

    Who leads Siemens Gamesa Renewable Energy?
    Siemens Gamesa Renewable Energy is led by Steven Dayney (Chief Executive Officer), along with executives such as Joris Mazille (Regional Chief Executive Officer, Service (APAC)) and Jerry Ku (Chief Financial Officer).
    Who is part of Siemens Gamesa Renewable Energy’s executive team?
    The executive team of Siemens Gamesa Renewable Energy includes leaders such as Steven Dayney (Chief Executive Officer), Joris Mazille (Regional Chief Executive Officer, Service (APAC)), Jerry Ku (Chief Financial Officer) and other senior executives.
    How many executives does Siemens Gamesa Renewable Energy have?
    Siemens Gamesa Renewable Energy has 5 executives leading key business areas.
    What roles are included in Siemens Gamesa Renewable Energy’s leadership team?
    The leadership team of Siemens Gamesa Renewable Energy includes roles such as Chief Executive Officer, Regional Chief Executive Officer, Service (APAC), Chief Financial Officer, Co-presidente Do Conselho De Diversidade, Equidade and Inclusão (Co-president of the DE&I Council), Chief Sales Officer.