Global Infrastructure Partners Executive and Leadership Team

May, 2026

Leadership Overview

Global Infrastructure Partners has 6 executives leading key functions including strategy, operations, technology, finance, and administration.

Driven by a commitment to sustainable value, Global Infrastructure Partners focuses on long-term ownership and operational involvement in large-scale infrastructure assets, prioritizing decarbonization and the global transition toward cleaner energy.

Leadership Roles at Global Infrastructure Partners

  • Chairman & Chief Executive Officer - Adebayo Ogunlesi
  • Gip's Funds Partner & Chief Financial Officer - Gregg Myers
  • Chief Operating Officer - Keith Walton
  • Managing Director, Chief Technology Officer - Robert Siegel
  • Partner and Chief Finance Officer - Manish Dheeraj
  • Managing Director, Chief Administrative Officer - Lori Gish
  • Adebayo Ogunlesi - Chairman & Chief Executive Officer

    Adebayo Ogunlesi, the Chairman & Chief Executive Officer at Global Infrastructure Partners, directs the firm's overall strategy and operational execution. Ogunlesi guides the company's investment philosophy, emphasizing long-term ownership and active management of complex infrastructure assets across energy, transportation, digital systems, and water sectors. This leadership role involves setting the strategic direction for decarbonization initiatives, ensuring the company's portfolio aligns with global sustainability goals. Adebayo Ogunlesi oversees the integration of environmental responsibility into all investment decisions, driving the firm's commitment to enhancing asset performance while delivering sustainable value. The Chairman & Chief Executive Officer's purview extends to fostering key stakeholder relationships and positioning Global Infrastructure Partners as a leader in the transition to cleaner energy infrastructure.
    Adebayo Ogunlesi

    Gregg Myers - Gip's Funds Partner & Chief Financial Officer

    Gregg Myers, the Gip's Funds Partner & Chief Financial Officer at Global Infrastructure Partners, directs the financial strategy and management of the firm's investment funds. Myers oversees all financial operations, including capital raising, investment accounting, and financial reporting, ensuring robust fiscal discipline across the portfolio. This role is central to supporting the company's focus on long-term ownership and operational involvement in large-scale infrastructure assets. Gregg Myers's financial oversight is critical for enhancing asset performance and delivering sustainable value, particularly in aligning financial structures with decarbonization goals. The Gip's Funds Partner & Chief Financial Officer ensures that financial planning supports the firm's commitment to environmental responsibility and its contribution to the global transition toward cleaner energy systems.

    Keith Walton - Chief Operating Officer

    Keith Walton, the Chief Operating Officer at Global Infrastructure Partners, manages the day-to-day operational activities and internal processes that support the firm's investment strategy. Walton ensures the efficient functioning of all operational departments, focusing on optimizing the performance of the company's extensive infrastructure portfolio. This involves overseeing the implementation of best practices in asset management and operational oversight across energy, transportation, and digital systems. Keith Walton's responsibilities include driving operational efficiencies and ensuring that the company's commitment to long-term ownership translates into tangible improvements in asset value and sustainability. The Chief Operating Officer plays a critical part in integrating decarbonization efforts into the operational framework, supporting the firm's strategic goals for environmental responsibility and the global energy transition.

    Robert Siegel - Managing Director, Chief Technology Officer

    Robert Siegel, the Managing Director, Chief Technology Officer at Global Infrastructure Partners, architects the firm's technology strategy and oversees its digital transformation initiatives. Siegel focuses on leveraging advanced technologies to enhance the performance and operational efficiency of infrastructure assets, particularly within the digital systems sector. This leadership involves identifying and implementing innovative solutions that support the company's emphasis on long-term ownership and operational involvement. Robert Siegel's role is crucial in integrating technology to drive sustainable value and support decarbonization efforts across the portfolio. The Managing Director, Chief Technology Officer ensures that technological advancements align with the firm's commitment to environmental responsibility and contribute to the global transition toward cleaner energy infrastructure.
    Robert Siegel

    Manish Dheeraj - Partner and Chief Finance Officer

    Manish Dheeraj, the Partner and Chief Finance Officer at Global Infrastructure Partners, oversees the financial health and strategic financial planning for the firm's global operations. Dheeraj manages financial risk, optimizes capital allocation, and ensures compliance with financial regulations across all investment sectors, including energy, transportation, and water management. This leadership position is vital for supporting the company's emphasis on long-term ownership and operational involvement in complex infrastructure assets. Manish Dheeraj's financial acumen is instrumental in driving sustainable value and integrating decarbonization strategies into the firm's financial framework. The Partner and Chief Finance Officer ensures that financial decisions support environmental responsibility and the company's role in the global transition to cleaner energy infrastructure.

    Lori Gish - Managing Director, Chief Administrative Officer

    Lori Gish, the Managing Director, Chief Administrative Officer at Global Infrastructure Partners, directs the administrative functions and operational support systems that underpin the firm's investment activities. Gish ensures the efficient management of human resources, legal affairs, and corporate governance, facilitating the company's focus on long-term ownership and operational involvement in infrastructure assets. This role is key to supporting the strategic objectives of enhancing asset performance and delivering sustainable value. Lori Gish's administrative leadership ensures that the firm's operations align with its commitment to environmental responsibility and decarbonization goals. The Managing Director, Chief Administrative Officer plays a vital part in enabling the company's contribution to the global transition toward cleaner energy and more sustainable infrastructure systems.
    Lori Gish

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    Frequently Asked Questions Regarding Global Infrastructure Partners Top Executives and Leadership Team

    Who leads Global Infrastructure Partners?
    Global Infrastructure Partners is led by Adebayo Ogunlesi (Chairman & Chief Executive Officer), along with executives such as Gregg Myers (Gip's Funds Partner & Chief Financial Officer) and Keith Walton (Chief Operating Officer).
    Who is part of Global Infrastructure Partners’s executive team?
    The executive team of Global Infrastructure Partners includes leaders such as Adebayo Ogunlesi (Chairman & Chief Executive Officer), Gregg Myers (Gip's Funds Partner & Chief Financial Officer), Keith Walton (Chief Operating Officer) and other senior executives.
    How many executives does Global Infrastructure Partners have?
    Global Infrastructure Partners has 6 executives leading key business areas.
    What roles are included in Global Infrastructure Partners’s leadership team?
    The leadership team of Global Infrastructure Partners includes roles such as Chairman & Chief Executive Officer, Gip's Funds Partner & Chief Financial Officer, Chief Operating Officer, Managing Director, Chief Technology Officer, Partner and Chief Finance Officer.