Wikimedia Executive and Leadership Team

July, 2026

Leadership Overview

Wikimedia has 7 executives leading key functions including strategy, finance, operations, communications, and governance.

Driven by a mission to empower humanity through free knowledge, Wikimedia operates some of the world's most visited websites, fostering a global community dedicated to open access and collaborative learning.

Leadership Roles at Wikimedia

  • Chief Executive Officer - João Peschanski
  • Chief Financial Officer - Jaime Villagomez
  • Interim Chief Operating Officer - Terence Gilbey
  • President - Érica Azzellini
  • President - Barrett Roberts
  • Deputy Chief of Staff - Marguerite Lee
  • Chief Communications Officer, Marketing IC-7 - Lindsay Ferguson
  • João Peschanski - Chief Executive Officer

    João Peschanski, the Chief Executive Officer at Wikimedia, directs the organization's overarching strategy and operational execution. Overseeing all departments, Peschanski ensures alignment with Wikimedia's mission to provide free knowledge globally. This leadership role involves driving innovation across the Wikimedia projects, including Wikipedia, and fostering a collaborative environment for contributors and staff. By managing key partnerships and stakeholder relations, João Peschanski strengthens the foundation's impact and reach. The Chief Executive Officer's focus remains on sustainable growth and expanding access to information worldwide, ensuring the long-term viability of the free knowledge ecosystem.

    Jaime Villagomez - Chief Financial Officer

    Jaime Villagomez, the Chief Financial Officer at Wikimedia, manages all financial operations and fiscal strategy. Overseeing budgeting, forecasting, and financial reporting, Villagomez ensures the fiscal health of the organization. This critical role involves optimizing resource allocation to support Wikimedia's global initiatives and nonprofit operations. By developing robust financial controls and driving efficiency, Jaime Villagomez safeguards the organization's assets and enhances its capacity to serve the mission. The Chief Financial Officer's strategic financial planning supports the expansion of free knowledge projects and ensures accountability to donors and the public.

    Terence Gilbey - Interim Chief Operating Officer

    Terence Gilbey, the Interim Chief Operating Officer at Wikimedia, oversees the day-to-day operational functions and infrastructure supporting Wikimedia's global projects. Managing cross-departmental coordination, Gilbey ensures seamless execution of strategic initiatives and maintains operational efficiency across the organization. This role is pivotal in optimizing workflows and resource management to facilitate the continuous operation and growth of Wikipedia and other Wikimedia platforms. By driving operational excellence, Terence Gilbey directly contributes to the reliable delivery of free knowledge to millions worldwide. The Interim Chief Operating Officer's leadership ensures the robust functioning of the organization's core services.

    Érica Azzellini - President

    Érica Azzellini, the President at Wikimedia, leads strategic initiatives and governance oversight for the organization. Overseeing key policy development and external relations, Azzellini ensures alignment with Wikimedia's core mission of providing free knowledge. This leadership position involves guiding the organization through evolving digital landscapes and fostering strong relationships with global communities. By championing the principles of open access and collaboration, Érica Azzellini strengthens Wikimedia's impact and reputation. The President's focus on strategic direction and organizational integrity supports the continued growth and accessibility of Wikimedia's projects worldwide.

    Barrett Roberts - President

    Barrett Roberts, the President at Wikimedia, drives strategic planning and organizational development to advance the mission of free knowledge. Overseeing critical programs and fostering key partnerships, Roberts ensures the effective execution of Wikimedia's global initiatives. This leadership role involves guiding the organization's growth and impact in the digital information space. By championing innovation and collaboration, Barrett Roberts strengthens Wikimedia's position as a leader in open access. The President's commitment to operational excellence and strategic foresight supports the expansion of knowledge accessibility for communities worldwide.

    Marguerite Lee - Deputy Chief of Staff

    Marguerite Lee, the Deputy Chief of Staff at Wikimedia, supports the Chief Executive Officer in executing strategic priorities and managing organizational initiatives. Coordinating cross-functional projects and facilitating communication across leadership teams, Lee ensures effective implementation of the company's mission. This role involves streamlining internal processes and enhancing operational effectiveness to support Wikimedia's global reach. By managing key stakeholder engagements and driving special projects, Marguerite Lee directly contributes to the organization's strategic objectives. The Deputy Chief of Staff's work ensures cohesive leadership and efficient progress towards expanding free knowledge access.

    Lindsay Ferguson - Chief Communications Officer, Marketing IC-7

    Lindsay Ferguson, the Chief Communications Officer, Marketing IC-7 at Wikimedia, directs all external and internal communication strategies. Overseeing brand management, public relations, and marketing initiatives, Ferguson enhances Wikimedia's global visibility and engagement. This role is crucial in articulating the value of free knowledge and fostering community support for the organization's projects. By developing compelling narratives and executing targeted campaigns, Lindsay Ferguson strengthens the connection between Wikimedia and its diverse audiences. The Chief Communications Officer, Marketing IC-7's leadership ensures consistent messaging and amplifies the organization's mission across all platforms.

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    Frequently Asked Questions Regarding Wikimedia Top Executives and Leadership Team

    Who leads Wikimedia?
    Wikimedia is led by João Peschanski (Chief Executive Officer), along with executives such as Jaime Villagomez (Chief Financial Officer) and Terence Gilbey (Interim Chief Operating Officer).
    Who is part of Wikimedia’s executive team?
    The executive team of Wikimedia includes leaders such as João Peschanski (Chief Executive Officer), Jaime Villagomez (Chief Financial Officer), Terence Gilbey (Interim Chief Operating Officer) and other senior executives.
    How many executives does Wikimedia have?
    Wikimedia has 7 executives leading key business areas.
    What roles are included in Wikimedia’s leadership team?
    The leadership team of Wikimedia includes roles such as Chief Executive Officer, Chief Financial Officer, Interim Chief Operating Officer, President, President.