Gentherm Executive and Leadership Team

June, 2026

Leadership Overview

Gentherm has 7 executives leading key functions including strategy, technology, finance, information systems, human resources, and product development.

Driven by innovation, Gentherm is a global developer and marketer of thermal management technologies, shaping the future of climate control and heating solutions across diverse applications.

Leadership Roles at Gentherm

  • President and Chief Executive Officer Office - William Presley
  • Executive Vice President & Chief Financial Officer & Treasurer - Jonathan Douyard
  • President, Gentherm Technologies - Thomas Stocker
  • Chief Technology Officer - Vishnu Sundaram
  • Vice President & Chief Information Officer - Ramzi Braham
  • Senior Vice President and Chief Human Resources Officer - Barbara Runyon
  • EDV-Leiter - Peter Madel
  • William Presley - President and Chief Executive Officer Office

    William Presley, the President and Chief Executive Officer Office at Gentherm, directs the company's overarching strategy and operational execution. Presley guides Gentherm's global initiatives, ensuring alignment with market demands for advanced thermal management solutions. This leadership role involves driving innovation in automotive products, including climate control seats and battery thermal management systems, directly impacting the company's market position. Presley oversees the integration of new technologies and the expansion of Gentherm's product portfolio to meet evolving customer needs. The Chief Executive Officer Office focuses on maximizing shareholder value through sustainable growth and operational excellence. By fostering a culture of continuous improvement, William Presley ensures Gentherm maintains its leadership in developing cutting-edge heating and cooling applications for a broad range of industries.
    William Presley

    Jonathan Douyard - Executive Vice President & Chief Financial Officer & Treasurer

    Jonathan Douyard, the Executive Vice President & Chief Financial Officer & Treasurer at Gentherm, manages the company's financial health and strategic fiscal planning. Douyard oversees all financial operations, including accounting, treasury, and investor relations, ensuring robust financial controls and reporting. This executive role is pivotal in guiding Gentherm's investment strategies and capital allocation to support growth initiatives in thermal management technologies. The Chief Financial Officer & Treasurer plays a key part in securing funding for research and development and managing the company's financial risks. By optimizing financial performance, Jonathan Douyard contributes directly to Gentherm's profitability and long-term sustainability. This leadership position ensures financial discipline across all business units, supporting the company's global operations and market expansion.
    Jonathan Douyard

    Thomas Stocker - President, Gentherm Technologies

    Thomas Stocker, the President, Gentherm Technologies at Gentherm, drives the strategic direction and operational performance of the company's technology divisions. Stocker oversees the development and implementation of advanced thermal management solutions, focusing on innovation and product excellence. This leadership role is critical for advancing Gentherm's capabilities in areas such as climate control seats and battery thermal management systems. The President, Gentherm Technologies ensures technological advancements align with market needs and customer requirements. Stocker collaborates with engineering and R&D teams to bring cutting-edge products to market. By leading the technology segment, Thomas Stocker significantly contributes to Gentherm's competitive advantage and its mission to deliver superior thermal solutions.

    Vishnu Sundaram - Chief Technology Officer

    Vishnu Sundaram, the Chief Technology Officer at Gentherm, architects the company's technological vision and innovation pipeline. Sundaram spearheads research and development efforts, focusing on advancing thermal management technologies for automotive and other applications. This involves exploring novel materials, energy-efficient systems, and intelligent climate control solutions. The Chief Technology Officer ensures Gentherm's product offerings remain at the forefront of industry advancements, particularly in areas like battery thermal management and heated interior systems. Sundaram collaborates with engineering teams to translate complex technical concepts into market-ready products. By driving technological breakthroughs, Vishnu Sundaram supports Gentherm's mission to provide superior heating and cooling solutions. This role is critical for maintaining a competitive edge and expanding the company's intellectual property portfolio.

    Ramzi Braham - Vice President & Chief Information Officer

    Ramzi Braham, the Vice President & Chief Information Officer at Gentherm, directs the company's information technology strategy and infrastructure. Braham oversees the implementation and management of enterprise-wide IT systems, ensuring data security, operational efficiency, and technological innovation. This role is crucial for supporting Gentherm's global business operations, from product development to customer service. The Chief Information Officer ensures that IT systems effectively support the company's thermal management technology initiatives and manufacturing processes. Braham focuses on leveraging digital solutions to enhance productivity and streamline workflows across all departments. By managing IT resources strategically, Ramzi Braham enables Gentherm to adapt to evolving technological landscapes and maintain a secure digital environment.
    Ramzi Braham

    Barbara Runyon - Senior Vice President and Chief Human Resources Officer

    Barbara Runyon, the Senior Vice President and Chief Human Resources Officer at Gentherm, leads the company's human capital strategy and talent management initiatives. Runyon oversees all aspects of human resources, including recruitment, employee development, compensation, and organizational culture. This executive position is vital for attracting and retaining top talent necessary for Gentherm's innovation in thermal management technologies. The Chief Human Resources Officer ensures that HR policies align with the company's business objectives and foster a productive work environment. Runyon focuses on developing programs that support employee growth and engagement, contributing to Gentherm's overall success. By championing employee well-being and professional development, Barbara Runyon strengthens the workforce that drives Gentherm's technological advancements.
    Barbara Runyon

    Peter Madel - EDV-Leiter

    Peter Madel, the EDV-Leiter at Gentherm, manages the company's electronic data processing and IT infrastructure. Madel oversees the systems that support Gentherm's operational and administrative functions, ensuring efficiency and reliability. This role is essential for maintaining the technological backbone that enables Gentherm's development and marketing of thermal management technologies. The EDV-Leiter focuses on optimizing IT resources and implementing solutions that enhance business processes. Madel works to ensure data integrity and system security across the organization. By directing IT operations, Peter Madel supports Gentherm's commitment to innovation and operational excellence in the automotive and other industries.

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    Frequently Asked Questions Regarding Gentherm Top Executives and Leadership Team

    Who leads Gentherm?
    Gentherm is led by William Presley (President and Chief Executive Officer Office), along with executives such as Jonathan Douyard (Executive Vice President & Chief Financial Officer & Treasurer) and Thomas Stocker (President, Gentherm Technologies).
    Who is part of Gentherm’s executive team?
    The executive team of Gentherm includes leaders such as William Presley (President and Chief Executive Officer Office), Jonathan Douyard (Executive Vice President & Chief Financial Officer & Treasurer), Thomas Stocker (President, Gentherm Technologies) and other senior executives.
    How many executives does Gentherm have?
    Gentherm has 7 executives leading key business areas.
    What roles are included in Gentherm’s leadership team?
    The leadership team of Gentherm includes roles such as President and Chief Executive Officer Office, Executive Vice President & Chief Financial Officer & Treasurer, President, Gentherm Technologies, Chief Technology Officer, Vice President & Chief Information Officer.