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Office of the Chief Executive Officer

Supports the work of the Wikimedia Foundation Chief Executive Officer in leading Foundation decision making and advocacy.


The Advancement Department ensures the Wikimedia movement has the relationships and resources it needs to thrive. The department is responsible for fundraising, strategic partnerships, and grantmaking programs that fuel our movement.

Community Programs

Community Resources

Fundraising Operations

Fundraising Tech

Major Gifts & Endowment

Online Fundraising


Wikimedia Enterprise


Leads the Foundation’s efforts to openly and effectively share information. Responsible for Wikimedia brand development, marketing, social media, public relations, and global awareness efforts.


External Communications


Movement Communications

Finance and Administration

Ensures responsible management of Wikimedia Foundation funds and resources, in keeping with our core values of transparency and accountability.

Finance Operations

Finance Strategy

IT Services

Defends the Wikimedia movement by opposing government surveillance and censorship, defending our communities, facilitating open policy discussions, and advocating for privacy.

Community Development

Community Resilience and Sustainability

  • Wikimedia Foundation offices - camera shy photo

    Nina Devolder

    Lead Program Manager, Thriving Movement and Community Resilience & Sustainability

  • Maggie Dennis

    Vice President of Community Resilience & Sustainability



Governance & Risk

Movement Strategy & Governance

Public Policy

Trust and Safety

Trust and Safety identifies, builds and – as appropriate – staffs processes which keep our users safe. It designs, develops, and executes on a strategy that integrates legal, product, engineering, research, and analytics to proactively mitigate risk as well as manage the overall safety of our communities when incidents happen. Currently, the team consists of 20 people across four continents.


Builds products that enable collaboration and tools for creating and editing free knowledge. Leads user research, experience design, and cross-device support including mobile apps and voice technology.

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Community Relations

Content Integrity

Content Transform Team

Contributors Product Management

CR Ambassador

Design Systems



Language and Translation

Mobile Apps

Parsing & Infrastructure

Platform Product

Product Analytics

Product Design

Product Design Strategy

Product Infrastructure

Program Management

Readers Product

Structured Content Product

Structured Data

Structured Data Product

Technical Program Management

Trust and Safety Tools



Talent and Culture

Recruits and supports skilled, passionate people to advance the Wikimedia mission. Invests in people by offering a wide range of benefits including leadership training.

Diversity, Equity and Inclusion

Learning and Development

People Experience

People Operations



Maintains and advances the technology needed to keep Wikimedia projects open, functional, and internationally accessible. In working closely with thousands of volunteer developers, the technology team makes Wikimedia one of the world’s most committed open source organizations.


Data Center Operations

Data Engineering

Global Data & Insights

Infrastructure Foundations

Machine Learning


Platform Engineering

Quality and Test Engineering

Release Engineering


Search Platform


Site Reliability Engineering

Technical Engagement