Environmental Defense Fund Executive and Leadership Team

June, 2026

Leadership Overview

Environmental Defense Fund has 6 executives leading key functions including technology, information systems, operations, human resources, finance, and strategy.

Driven by a commitment to environmental stewardship, Environmental Defense Fund provides impactful solutions for complex environmental challenges, safeguarding the rights of people to clean air, water, nutritious food, and thriving ecosystems.

Leadership Roles at Environmental Defense Fund

  • Deputy Chief Financial Officer - Nancy Raditz
  • President - Fred Krupp
  • Chief Technology Officer - Makenzie Lystrup
  • Chief Information Officer - Brian Attas
  • Chief of Staff - Jill Isenbarger
  • Senior Vice President, Chief Human Resources Officer - Elizabeth Mattila
  • Nancy Raditz - Deputy Chief Financial Officer

    Nancy Raditz, the Deputy Chief Financial Officer at Environmental Defense Fund, supports the financial operations and strategic fiscal planning for the organization. Raditz assists in managing budgets, financial reporting, and resource allocation to ensure the sustainability and effectiveness of Environmental Defense Fund's environmental initiatives. This role is crucial for maintaining the financial integrity required to protect environmental rights, including access to clean air and water, healthy food, and flourishing ecosystems. By contributing to sound financial management, Nancy Raditz enables the organization to maximize its impact in addressing complex environmental problems. The Deputy Chief Financial Officer's oversight ensures that financial resources are utilized efficiently to advance the mission and achieve long-term environmental goals.

    Fred Krupp - President

    Fred Krupp, the President at Environmental Defense Fund, directs the organization's overall strategy and operations, driving its mission to solve environmental problems. Krupp leads initiatives focused on protecting environmental rights, including access to clean air and water, healthy food, and flourishing ecosystems, across global operations. This executive leadership involves forging strategic partnerships and advocating for impactful environmental policies. By guiding the organization's vision, Fred Krupp ensures that Environmental Defense Fund remains at the forefront of environmental innovation and advocacy. The President's role is paramount in mobilizing resources and expertise to achieve measurable progress in environmental protection and sustainability worldwide.
    Fred Krupp

    Makenzie Lystrup - Chief Technology Officer

    Makenzie Lystrup, the Chief Technology Officer at Environmental Defense Fund, directs the strategic implementation of advanced technological solutions to address pressing environmental issues. Overseeing the integration of innovative digital tools, Lystrup ensures that Environmental Defense Fund's operational capabilities are enhanced to support its mission of providing effective environmental problem-solving. This leadership involves architecting scalable technology frameworks that empower data analysis and drive impactful environmental advocacy across North America and globally. By fostering a culture of technological excellence, Makenzie Lystrup advances the organization's capacity to protect environmental rights, including access to clean air and water, healthy food, and flourishing ecosystems. The Chief Technology Officer's role is critical in leveraging emerging technologies to achieve measurable environmental progress and secure sustainable outcomes for future generations.
    Makenzie Lystrup

    Brian Attas - Chief Information Officer

    Brian Attas, the Chief Information Officer at Environmental Defense Fund, manages the organization's information systems and digital infrastructure to support its environmental mission. Attas oversees the development and maintenance of robust IT strategies, ensuring secure and efficient data management across all departments. This role is vital for enabling Environmental Defense Fund's work in protecting environmental rights, including access to clean air and water, healthy food, and flourishing ecosystems. By optimizing information flow and technological resources, Brian Attas enhances the organization's ability to analyze environmental data and implement effective solutions. The Chief Information Officer's leadership ensures that the technological backbone of Environmental Defense Fund is aligned with its strategic goals, facilitating broader reach and impact in environmental advocacy and problem-solving across its operational regions.

    Jill Isenbarger - Chief of Staff

    Jill Isenbarger, the Chief of Staff at Environmental Defense Fund, provides strategic operational support and drives key initiatives across the organization. Isenbarger coordinates cross-departmental efforts, ensuring alignment with the overarching mission to solve environmental problems and protect environmental rights. This leadership function is essential for translating strategic objectives into actionable plans, facilitating efficient operations in areas such as access to clean air and water, healthy food, and flourishing ecosystems. By managing critical projects and enhancing internal communication, Jill Isenbarger optimizes the effectiveness of Environmental Defense Fund's leadership team and its global outreach. The Chief of Staff's role is pivotal in driving organizational efficiency and ensuring that strategic priorities are executed with precision and impact.

    Elizabeth Mattila - Senior Vice President, Chief Human Resources Officer

    Elizabeth Mattila, the Senior Vice President, Chief Human Resources Officer at Environmental Defense Fund, leads all human capital strategies to support the organization's environmental mission. Mattila oversees talent acquisition, development, and retention, ensuring that Environmental Defense Fund attracts and retains top talent dedicated to solving environmental challenges. This critical role ensures that the organization's workforce is equipped to champion environmental rights, including access to clean air and water, healthy food, and flourishing ecosystems. By fostering a positive and productive work environment, Elizabeth Mattila enhances employee engagement and organizational effectiveness across all operational spheres. The Chief Human Resources Officer's strategic direction is fundamental to building a strong, mission-driven team capable of achieving significant environmental impact.

    Explore Leadership Teams in Non-Profit & Charitable Organizations

    Frequently Asked Questions Regarding Environmental Defense Fund Top Executives and Leadership Team

    Who leads Environmental Defense Fund?
    Environmental Defense Fund is led by Nancy Raditz (Deputy Chief Financial Officer), along with executives such as Fred Krupp (President) and Makenzie Lystrup (Chief Technology Officer).
    Who is part of Environmental Defense Fund’s executive team?
    The executive team of Environmental Defense Fund includes leaders such as Nancy Raditz (Deputy Chief Financial Officer), Fred Krupp (President), Makenzie Lystrup (Chief Technology Officer) and other senior executives.
    How many executives does Environmental Defense Fund have?
    Environmental Defense Fund has 6 executives leading key business areas.
    What roles are included in Environmental Defense Fund’s leadership team?
    The leadership team of Environmental Defense Fund includes roles such as Deputy Chief Financial Officer, President, Chief Technology Officer, Chief Information Officer, Chief of Staff.