**San Francisco** (9 December 2025) — The Wikimedia Foundation today announced the appointment of Bernadette Meehan as Chief Executive Officer. Meehan brings extensive international leadership experience, policy expertise, a strong background in community engagement, and a commitment to mission-driven work that aligns closely with Wikimedia’s vision of free knowledge for all. She will join the Foundation on January 20, 2026. “Bernadette has been committed to public service and community engagement throughout her career,” said Lorenzo Losa, Chair of the Board of Trustees of the Wikimedia Foundation. “Her approach to leadership is about collaboration and diplomacy to achieve lasting impact. She will be the right leader to support our global movement and center Wikimedia’s role as a trusted source of knowledge from humans around the world.” Meehan most recently served as U.S.…