4 August 2026, San Francisco — The Wikimedia Foundation, the global nonprofit that operates Wikipedia, today announced the appointment of Rena Kokalari as its new Chief People Officer. “At the Wikimedia Foundation, people are our greatest strength. Rena succeeds Courtney Bass Sherizen, who announced in April 2026 that she was stepping down as Chief People Officer. About the Wikimedia FoundationThe Wikimedia Foundation is the nonprofit that operates Wikipedia and other Wikimedia projects. The Wikimedia Foundation is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA.