The Nature Conservancy Executive and Leadership Team

September, 2026

Leadership Overview

The Nature Conservancy has 10 executives leading key functions including strategy, executive communications, operations, marketing, and human resources.

Committed to global environmental preservation, The Nature Conservancy drives science-based solutions to protect lands and waters while balancing human needs with sustainable resource management across seventy countries.

Leadership Roles at The Nature Conservancy

  • Chief Executive Officer - Bonnie Monteleone
  • Director, Chief Executive Officer Engagement and Executive Communications - Julie Korb
  • Chief Operating Officer - Brea Jones
  • Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations - Seth Brotman
  • Executive Coordinator To the Chief Operating Officer - Lydia O'Connor
  • Chief of Staff - Sarah Marshall
  • Chief Marketing Officer - Shan Liang
  • Chief of Staff & Director, Portfolio Management - Matthew Jackson
  • Chief People Officer - Michael Tetreault
  • Deputy Director - Elise Barry
  • Bonnie Monteleone - Chief Executive Officer

    Bonnie Monteleone, the Chief Executive Officer at The Nature Conservancy, directs the global strategic vision for environmental protection and land conservation. Monteleone oversees the implementation of science-based solutions across North America, Africa, and Oceania to address critical climate challenges. By aligning organizational goals with international policy advocacy, the Chief Executive Officer ensures that habitat restoration projects maintain high standards of ecological integrity. This leadership role involves constant collaboration with the Board to secure funding for large-scale water conservation initiatives. Bonnie Monteleone manages the expansion of sustainable resource management programs, ensuring that the nonprofit maintains a significant impact on biodiversity. Through rigorous oversight of global operations, the Chief Executive Officer maintains the financial health and mission-driven focus of the organization, ultimately securing long-term environmental stability for future generations.
    Bonnie Monteleone

    Julie Korb - Director, Chief Executive Officer Engagement and Executive Communications

    Julie Korb, the Director, Chief Executive Officer Engagement and Executive Communications at The Nature Conservancy, manages the strategic messaging and public outreach for the executive leadership team. Korb coordinates high-level communications to ensure that the mission of protecting lands and waters resonates with global stakeholders and donors. By crafting narratives around science-based conservation, the Director, Chief Executive Officer Engagement and Executive Communications strengthens the public profile of the organization. This role requires close coordination with the Chief Executive Officer to synchronize messaging across diverse international regions, including Europe and Asia. Julie Korb facilitates engagement opportunities that highlight the impact of habitat restoration and climate action. Through precise editorial control and media strategy, the Director, Chief Executive Officer Engagement and Executive Communications amplifies the reach of environmental policy advocacy, ensuring that the core values of the nonprofit remain central to all external communications.

    Brea Jones - Chief Operating Officer

    Brea Jones, the Chief Operating Officer at The Nature Conservancy, directs the internal infrastructure and administrative systems that support global conservation efforts. Jones focuses on scaling operational capacity to ensure that field teams in North America and Europe possess the necessary tools for habitat restoration. By optimizing supply chains and logistical support for environmental projects, the Chief Operating Officer improves the efficiency of land preservation activities. This role involves managing the technical systems that track water conservation metrics and species protection data. Brea Jones collaborates with the Chief People Officer to ensure that organizational growth aligns with the mission of sustainable resource management. Through the implementation of robust operational frameworks, the Chief Operating Officer drives the nonprofit toward greater impact and fiscal responsibility. Jones ensures that all internal processes support the overarching goal of protecting the planet through science-based solutions.
    Brea Jones

    Seth Brotman - Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations

    Seth Brotman, the Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations at The Nature Conservancy, manages the enterprise risk framework and the strategic alignment of the global conservation portfolio. Brotman evaluates the potential impact of environmental policies on the organization's long-term goals, ensuring that all projects mitigate risk while maximizing ecological benefits. By overseeing the portfolio strategy, the Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations ensures that resources are directed toward the most critical habitat restoration and water conservation initiatives. This role involves working with the Board to establish governance protocols that protect the nonprofit's assets. Seth Brotman monitors operational performance across all continents, identifying opportunities to improve efficiency and project outcomes. Through rigorous risk assessment and strategic planning, the Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations secures the stability and effectiveness of the organization's global conservation efforts.

    Lydia O'Connor - Executive Coordinator To the Chief Operating Officer

    Lydia O'Connor, the Executive Coordinator To the Chief Operating Officer at The Nature Conservancy, manages the administrative workflow and scheduling for the operations department. O'Connor facilitates communication between the Chief Operating Officer and regional leads to ensure that conservation projects remain on schedule. By organizing high-level meetings and tracking project milestones, the Executive Coordinator To the Chief Operating Officer supports the seamless execution of land preservation and water conservation initiatives. This role involves maintaining documentation for operational strategies and ensuring that all administrative tasks align with the nonprofit's mission. Lydia O'Connor coordinates with cross-functional teams to resolve logistical challenges that arise during the implementation of environmental policies. Through the management of daily operations, the Executive Coordinator To the Chief Operating Officer enhances the productivity of the leadership team, allowing for a more focused approach to global habitat restoration and sustainable resource management.

    Sarah Marshall - Chief of Staff

    Sarah Marshall, the Chief of Staff at The Nature Conservancy, manages the daily operations of the executive office and facilitates communication between leadership and the broader organization. Marshall coordinates strategic planning sessions to ensure that all departments remain aligned with the mission of protecting global lands and waters. By streamlining decision-making processes, the Chief of Staff enables the executive team to respond rapidly to emerging environmental crises. This role involves overseeing internal projects that support climate action and sustainable resource management across all international offices. Sarah Marshall acts as a primary liaison for the Board, ensuring that governance requirements are met with precision. Through the management of executive workflows, the Chief of Staff enhances organizational productivity and fosters a culture of accountability. Marshall ensures that the strategic priorities of the nonprofit receive the necessary attention and resources to achieve meaningful, long-term conservation results.

    Shan Liang - Chief Marketing Officer

    Shan Liang, the Chief Marketing Officer at The Nature Conservancy, leads the global branding and donor engagement strategies that fuel the organization's conservation mission. Liang develops digital campaigns that highlight the importance of climate action and sustainable resource management to a worldwide audience. By leveraging data-driven insights, the Chief Marketing Officer increases public awareness regarding habitat restoration and species protection. This role involves coordinating with regional offices to ensure that marketing efforts reflect the unique environmental challenges of each continent. Shan Liang manages the brand identity to maintain trust and credibility among donors and environmental partners. Through the creation of compelling content, the Chief Marketing Officer drives fundraising initiatives that support the protection of critical lands and waters. Liang ensures that the nonprofit remains a leading voice in environmental advocacy, effectively communicating the urgency of conservation to diverse global communities.

    Matthew Jackson - Chief of Staff & Director, Portfolio Management

    Matthew Jackson, the Chief of Staff & Director, Portfolio Management at The Nature Conservancy, oversees the integration of project management standards across the global conservation portfolio. Jackson monitors the performance of various environmental initiatives, ensuring that each project contributes to the organization's overarching goals of species protection and climate action. By analyzing portfolio data, the Chief of Staff & Director, Portfolio Management identifies areas for improvement and resource reallocation. This role involves collaborating with regional directors to ensure that conservation efforts in Africa, Asia, and Oceania meet established benchmarks. Matthew Jackson facilitates communication between the executive team and project managers to ensure strategic alignment. Through the implementation of robust management systems, the Chief of Staff & Director, Portfolio Management drives the success of complex environmental programs. Jackson ensures that the nonprofit maintains a balanced and effective portfolio of work that addresses critical environmental challenges.

    Michael Tetreault - Chief People Officer

    Michael Tetreault, the Chief People Officer at The Nature Conservancy, directs the human resources strategy and organizational culture for the global workforce. Tetreault focuses on talent acquisition and development to ensure that the nonprofit attracts experts in science-based conservation and environmental policy. By fostering an inclusive and high-performing work environment, the Chief People Officer supports the staff members who implement habitat restoration and water conservation projects across multiple continents. This role involves designing compensation and benefits programs that align with the mission of sustainable resource management. Michael Tetreault collaborates with the executive team to ensure that organizational structure supports the strategic goals of the nonprofit. Through the management of employee engagement and professional development, the Chief People Officer drives the retention of top-tier talent. Tetreault ensures that the organization remains a leader in the environmental sector by investing in the people who protect the planet.
    Michael Tetreault

    Elise Barry - Deputy Director

    Elise Barry, the Deputy Director at The Nature Conservancy, supports the execution of large-scale conservation projects and operational efficiency across the organization. Barry monitors the progress of land preservation initiatives, ensuring that regional teams meet specific environmental milestones. By analyzing data from ongoing habitat restoration efforts, the Deputy Director optimizes resource allocation to maximize ecological outcomes. This leadership position involves working alongside other C-suite members to refine internal processes and improve project delivery in South America and Africa. Elise Barry maintains rigorous standards for species protection programs, ensuring that all activities align with the broader mission of sustainable resource management. Through the management of cross-functional teams, the Deputy Director drives operational excellence and supports the strategic objectives of the nonprofit. Barry ensures that all conservation efforts remain scalable and effective in addressing the most pressing environmental challenges facing the planet today.

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    Frequently Asked Questions Regarding The Nature Conservancy Top Executives and Leadership Team

    Who leads The Nature Conservancy?
    The Nature Conservancy is led by Bonnie Monteleone (Chief Executive Officer), along with executives such as Julie Korb (Director, Chief Executive Officer Engagement and Executive Communications) and Brea Jones (Chief Operating Officer).
    Who is part of The Nature Conservancy’s executive team?
    The executive team of The Nature Conservancy includes leaders such as Bonnie Monteleone (Chief Executive Officer), Julie Korb (Director, Chief Executive Officer Engagement and Executive Communications), Brea Jones (Chief Operating Officer) and other senior executives.
    How many executives does The Nature Conservancy have?
    The Nature Conservancy has 10 executives leading key business areas.
    What roles are included in The Nature Conservancy’s leadership team?
    The leadership team of The Nature Conservancy includes roles such as Chief Executive Officer, Director, Chief Executive Officer Engagement and Executive Communications, Chief Operating Officer, Chief Operating Officer & Director, Risk, Portfolio Strategy & Operations, Executive Coordinator To the Chief Operating Officer.