Environmental Defense Fund Executive and Leadership Team

August, 2026

Leadership Overview

Environmental Defense Fund has 6 executives leading key functions including technology, finance, and operations.

Dedicated to providing solutions for environmental challenges, Environmental Defense Fund champions environmental rights, ensuring access to clean resources and fostering thriving ecosystems through strategic leadership and impactful initiatives.

Leadership Roles at Environmental Defense Fund

  • Deputy Chief Financial Officer - Nancy Raditz
  • President - Fred Krupp
  • Chief Information Officer - Brian Attas
  • Chief Technology Officer - Makenzie Lystrup
  • 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 health and strategic resource allocation of the organization. Raditz assists in managing budgets, financial planning, and ensuring compliance with all fiscal regulations. This role is integral to maintaining the operational integrity of EDF's environmental initiatives, safeguarding access to clean resources and promoting healthy ecosystems. Nancy Raditz works to optimize financial performance, enabling the organization to expand its reach and impact in addressing environmental problems. The Deputy Chief Financial Officer's expertise ensures that financial resources are effectively deployed to support EDF's commitment to environmental rights and sustainable solutions.

    Fred Krupp - President

    Fred Krupp, the President at Environmental Defense Fund, directs the overall strategy and vision for the organization's environmental solutions. Krupp leads efforts to protect environmental rights, focusing on access to clean air and water, healthy food, and flourishing ecosystems. This leadership role involves guiding the organization's advocacy, scientific research, and policy initiatives to address pressing environmental challenges. Fred Krupp collaborates with internal teams and external stakeholders to drive impactful change and foster sustainable practices. The President's strategic oversight ensures that Environmental Defense Fund remains a leading force in developing and implementing effective solutions for a healthier planet and a more sustainable future.
    Fred Krupp

    Brian Attas - Chief Information Officer

    Brian Attas, the Chief Information Officer at Environmental Defense Fund, directs the organization's technology infrastructure and digital strategy. Attas oversees the development and implementation of IT systems that support EDF's mission of providing solutions for environmental problems. This leadership role involves ensuring the security, efficiency, and scalability of all information technology resources, enabling seamless operations across various departments. By managing data integrity and access, Brian Attas empowers the organization to leverage technology for maximum environmental impact. The Chief Information Officer's responsibilities extend to evaluating emerging technologies and integrating them to enhance operational effectiveness and advance the protection of environmental rights, including access to clean air and water.

    Makenzie Lystrup - Chief Technology Officer

    Makenzie Lystrup, the Chief Technology Officer at Environmental Defense Fund, drives technological innovation to address critical environmental issues. Lystrup guides the strategic direction of technology development, focusing on solutions that promote clean air, water, and healthy ecosystems. This executive role involves identifying and implementing cutting-edge technologies that enhance EDF's capacity to protect environmental rights globally. Makenzie Lystrup collaborates with research teams and external partners to translate scientific insights into actionable technological strategies. The Chief Technology Officer's leadership ensures that EDF remains at the forefront of technological advancements, creating sustainable solutions for environmental challenges and fostering a future with nourishing food and flourishing ecosystems.
    Makenzie Lystrup

    Jill Isenbarger - Chief of Staff

    Jill Isenbarger, the Chief of Staff at Environmental Defense Fund, provides strategic support and operational oversight to advance the organization's mission. Isenbarger coordinates key initiatives, ensuring alignment across departments and facilitating the execution of strategic priorities. This leadership position involves managing cross-functional projects and driving operational efficiencies to maximize the impact of EDF's environmental solutions. Jill Isenbarger works closely with the President and other senior leaders to streamline communication and decision-making processes. The Chief of Staff's role is critical in translating the organization's vision for protecting environmental rights into tangible outcomes, supporting access to clean air, water, and healthy food.

    Elizabeth Mattila - Senior Vice President, Chief Human Resources Officer

    Elizabeth Mattila, the Senior Vice President, Chief Human Resources Officer at Environmental Defense Fund, leads the strategic development and execution of human capital initiatives. Mattila oversees talent acquisition, employee development, and organizational culture to support EDF's mission of environmental protection. This executive function ensures that the organization attracts, retains, and empowers a high-performing team dedicated to solving environmental problems. Elizabeth Mattila drives initiatives that foster a collaborative and inclusive work environment, crucial for advancing environmental rights and promoting access to clean air and water. The Chief Human Resources Officer's leadership is vital in building the organizational capacity needed to achieve EDF's goals for healthy ecosystems and nourishing food.

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    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 Brian Attas (Chief Information 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), Brian Attas (Chief Information 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 Information Officer, Chief Technology Officer, Chief of Staff.